# Railway RRB 2016 Course – Mock Test 4

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**Railway RRB 2016 Course: Mock Test 4 Learderboard **

**General Awareness ****(1-50)**

**Reasoning** **(51- 75)**

**Quantitative Aptitude** **(76-100)**

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- Answered
- Review

- Question 1 of 100
##### 1. Question

1 pointsCategory: General AwarenessThe largest religious monument in the world is

Correct**Explanation:**

Angkor Wat is a temple complex in Cambodia and the largest religious monument in the world, with site measuring 162.6 hectaresIncorrect**Explanation:**

Angkor Wat is a temple complex in Cambodia and the largest religious monument in the world, with site measuring 162.6 hectares - Question 2 of 100
##### 2. Question

1 pointsCategory: General AwarenessWhich of the following was not constructed by Shah Jahan?

Correct**Explanation:**

Mughal architecture reached its zenith during the reign of Shah Jahan, who constructed the Jama Masjid, the Red Fort, the Shalimar Gardens in Lahore, and the most famous Mughal monument, the Taj Mahal, as well as many other fine examples of the style.Incorrect**Explanation:**

Mughal architecture reached its zenith during the reign of Shah Jahan, who constructed the Jama Masjid, the Red Fort, the Shalimar Gardens in Lahore, and the most famous Mughal monument, the Taj Mahal, as well as many other fine examples of the style. - Question 3 of 100
##### 3. Question

1 pointsCategory: General AwarenessTashkent is the capital city of

CorrectIncorrect - Question 4 of 100
##### 4. Question

1 pointsCategory: General AwarenessCurrency of Cyprus is

CorrectIncorrect - Question 5 of 100
##### 5. Question

1 pointsCategory: General AwarenessWorld Diabetes Day is observed on

CorrectIncorrect - Question 6 of 100
##### 6. Question

1 pointsCategory: General AwarenessUsain Bolt is an athlete from

Correct**Explanation:**

Usain St. Leo Bolt, OJ, CD is a Jamaican sprinter. Regarded as the fastest person ever timed, he is the first man to hold both the 100 metres and 200 metres world records since fully automatic time measurements became mandatory in 1977.Incorrect**Explanation:**

Usain St. Leo Bolt, OJ, CD is a Jamaican sprinter. Regarded as the fastest person ever timed, he is the first man to hold both the 100 metres and 200 metres world records since fully automatic time measurements became mandatory in 1977. - Question 7 of 100
##### 7. Question

1 pointsCategory: General AwarenessKishore Bharati Krirangan Stadium is located at

CorrectIncorrect - Question 8 of 100
##### 8. Question

1 pointsCategory: General AwarenessThe Khilji dynasty was founded by

Correct**Explanation:**

It was established in 1290. It became the second dynasty to rule the Delhi Sultanate of India.Incorrect**Explanation:**

It was established in 1290. It became the second dynasty to rule the Delhi Sultanate of India. - Question 9 of 100
##### 9. Question

1 pointsCategory: General AwarenessWho was named as the Martin Luther of India?

CorrectIncorrect - Question 10 of 100
##### 10. Question

1 pointsCategory: General AwarenessThe Simon Commission came to India during the term of

CorrectIncorrect - Question 11 of 100
##### 11. Question

1 pointsCategory: General AwarenessWho discovered South Pole?

CorrectIncorrect - Question 12 of 100
##### 12. Question

1 pointsCategory: General AwarenessCosmology is the study of

CorrectIncorrect - Question 13 of 100
##### 13. Question

1 pointsCategory: General AwarenessWhich of the following river valley is associated with Egyptian Civilization?

Correct**Explanation:**

Ancient Egypt was a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt.Incorrect**Explanation:**

Ancient Egypt was a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt. - Question 14 of 100
##### 14. Question

1 pointsCategory: General AwarenessThe Caspian Sea is a landlocked sea between

Correct**Explanation:**

The Caspian Sea or Mazandaran Sea is a landlocked sea between Asia and Europe. The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world’s largest lake or a full-fledged sea.Incorrect**Explanation:**

The Caspian Sea or Mazandaran Sea is a landlocked sea between Asia and Europe. The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world’s largest lake or a full-fledged sea. - Question 15 of 100
##### 15. Question

1 pointsCategory: General AwarenessThe first flight in India was from

Correct**Explanation:**

1911: Domestic commercial aviation wass born in India when on February 18, Henri Piquet, flying a Humber biplane, carried mail from Allahabad to Naini Junction, some six miles away.

JRD Tata wass awarded India’s first pilot’s licence.Incorrect**Explanation:**

1911: Domestic commercial aviation wass born in India when on February 18, Henri Piquet, flying a Humber biplane, carried mail from Allahabad to Naini Junction, some six miles away.

JRD Tata wass awarded India’s first pilot’s licence. - Question 16 of 100
##### 16. Question

1 pointsCategory: General AwarenessAn area of water completely surrounded by land is called

Correct**Explanation:**

An island is a piece of land that is completely surrounded by water. A peninsula is surrounded by water on three sides. An isthmus is a narrow strip of land connecting two larger landmassesIncorrect**Explanation:**

An island is a piece of land that is completely surrounded by water. A peninsula is surrounded by water on three sides. An isthmus is a narrow strip of land connecting two larger landmasses - Question 17 of 100
##### 17. Question

1 pointsCategory: General AwarenessThe main component of second generation of computers was

Correct**Explanation:**

First gen. – Vacuum tubes. Third gen. – Integrated circuit. Fourth gen. – Largely Integrated circuit. Fifth gen. – Optical FibreIncorrect**Explanation:**

First gen. – Vacuum tubes. Third gen. – Integrated circuit. Fourth gen. – Largely Integrated circuit. Fifth gen. – Optical Fibre - Question 18 of 100
##### 18. Question

1 pointsCategory: General AwarenessIn a computer, a file is a collection of related

CorrectIncorrect - Question 19 of 100
##### 19. Question

1 pointsCategory: General AwarenessWho won the first World Cup Hockey game?

Correct**Explanation:**

In 1971 in BarcelonaIncorrect**Explanation:**

In 1971 in Barcelona - Question 20 of 100
##### 20. Question

1 pointsCategory: General AwarenessThe first one who received Dada Saheb Falke Award was

Correct**Explanation:**

In 1969. It contains a ‘Swarna Kamal’, a shawl and cash prize of Rs 2 lakh.Incorrect**Explanation:**

In 1969. It contains a ‘Swarna Kamal’, a shawl and cash prize of Rs 2 lakh. - Question 21 of 100
##### 21. Question

1 pointsCategory: General AwarenessNational Institute of Nutrition is located in

CorrectIncorrect - Question 22 of 100
##### 22. Question

1 pointsCategory: General AwarenessAny official report of the British Government is called

CorrectIncorrect - Question 23 of 100
##### 23. Question

1 pointsCategory: General AwarenessFirst woman to get Ashok Chakra was

CorrectIncorrect - Question 24 of 100
##### 24. Question

1 pointsCategory: General AwarenessThe disease caused by the parasite Trypanosoma is

CorrectIncorrect - Question 25 of 100
##### 25. Question

1 pointsCategory: General AwarenessAuditory Ossicle is known as

Correct**Explanation:**

Ear bone, also called Auditory Ossicle, any of the three tiny bones in the middle ear of all mammals. These are the malleus, or hammer, the incus, or anvil, and the stapes, or stirrup.Incorrect**Explanation:**

Ear bone, also called Auditory Ossicle, any of the three tiny bones in the middle ear of all mammals. These are the malleus, or hammer, the incus, or anvil, and the stapes, or stirrup. - Question 26 of 100
##### 26. Question

1 pointsCategory: General AwarenessWho gave the theory of relativity?

CorrectIncorrect - Question 27 of 100
##### 27. Question

1 pointsCategory: General AwarenessWhich of the following animal’s excretory part is a kidney?

CorrectIncorrect - Question 28 of 100
##### 28. Question

1 pointsCategory: General AwarenessSea water can be purified by the process of

Correct**Explanation:**

Distillation is a process of separating the component substances from a liquid mixture by selective evaporation and condensationIncorrect**Explanation:**

Distillation is a process of separating the component substances from a liquid mixture by selective evaporation and condensation - Question 29 of 100
##### 29. Question

1 pointsCategory: General AwarenessThe length of India’s coastline is about

Correct**Explanation:**

India measures 3,214 km (1,997 mi) from north to south and 2,933 km(1,822 mi) from east to west. It has a land frontier of 15,200 km (9,445 mi) and a coastline of 7,517 km (4,671 mi).Incorrect**Explanation:**

India measures 3,214 km (1,997 mi) from north to south and 2,933 km(1,822 mi) from east to west. It has a land frontier of 15,200 km (9,445 mi) and a coastline of 7,517 km (4,671 mi). - Question 30 of 100
##### 30. Question

1 pointsCategory: General AwarenessWhich of the following volcanoes is situated in Mexico?

CorrectIncorrect - Question 31 of 100
##### 31. Question

1 pointsCategory: General AwarenessGerman Silver, an allow, does not contain the metal

CorrectIncorrect - Question 32 of 100
##### 32. Question

1 pointsCategory: General AwarenessKarl Marx belonged to

Correct**Explanation:**

Karl Marx was a philosopher, economist, sociologist, journalist, and revolutionary socialistIncorrect**Explanation:**

Karl Marx was a philosopher, economist, sociologist, journalist, and revolutionary socialist - Question 33 of 100
##### 33. Question

1 pointsCategory: General AwarenessRingworm is a ______ disease.

CorrectIncorrect - Question 34 of 100
##### 34. Question

1 pointsCategory: General AwarenessWho discovered cement?

CorrectIncorrect - Question 35 of 100
##### 35. Question

1 pointsCategory: General AwarenessNABARD stands for

CorrectIncorrect - Question 36 of 100
##### 36. Question

1 pointsCategory: General AwarenessMuddy water is treated with alum in purification process, it is termed as

Correct**Explanation:**

In coagulation, we add a chemical such as alum which produces positive charges to neutralize the negative charges on the particles. Then the particles can stick together, forming larger particles which are more easily removed.Incorrect**Explanation:**

In coagulation, we add a chemical such as alum which produces positive charges to neutralize the negative charges on the particles. Then the particles can stick together, forming larger particles which are more easily removed. - Question 37 of 100
##### 37. Question

1 pointsCategory: General AwarenessSwaraj is my Birth Right and I shall have it. This was advocated by

CorrectIncorrect - Question 38 of 100
##### 38. Question

1 pointsCategory: General AwarenessWhich among the following is a folk dance of India?

Correct**Explanation:**

All others are classical dances.Incorrect**Explanation:**

All others are classical dances. - Question 39 of 100
##### 39. Question

1 pointsCategory: General AwarenessThe two specific heats of gases are related by

CorrectIncorrect - Question 40 of 100
##### 40. Question

1 pointsCategory: General AwarenessHighest gravity dam in the world is

Correct**Explanation:**

Bhakra Dam is a concrete gravity dam across the Satluj River in Bilaspur, Himachal Pradesh in northern India.Incorrect**Explanation:**

Bhakra Dam is a concrete gravity dam across the Satluj River in Bilaspur, Himachal Pradesh in northern India. - Question 41 of 100
##### 41. Question

1 pointsCategory: General AwarenessSouth-South dialogue is associated with

Correct**Explanation:**

South–South Cooperation is a term historically used by policymakers and academics to describe the exchange of resources, technology, and knowledge between developing countries, also known as countries of the global South.Incorrect**Explanation:**

South–South Cooperation is a term historically used by policymakers and academics to describe the exchange of resources, technology, and knowledge between developing countries, also known as countries of the global South. - Question 42 of 100
##### 42. Question

1 pointsCategory: General AwarenessThe main determinant of real wage is

Correct**Explanation:**

Purchasing power helps in comparing wages at different places and in different time period.Incorrect**Explanation:**

Purchasing power helps in comparing wages at different places and in different time period. - Question 43 of 100
##### 43. Question

1 pointsCategory: General AwarenessThe H5N1 virus which causes bird flu was first discovered in

CorrectIncorrect - Question 44 of 100
##### 44. Question

1 pointsCategory: General AwarenessThe Constitution of India contains

Correct**Explanation:**

The Indian constitution is the world’s longest constitution. At the time of commencement, the constitution had 395 articles in 22 parts and 8 schedules. It consists of almost 80,000 words.Incorrect**Explanation:**

The Indian constitution is the world’s longest constitution. At the time of commencement, the constitution had 395 articles in 22 parts and 8 schedules. It consists of almost 80,000 words. - Question 45 of 100
##### 45. Question

1 pointsCategory: General AwarenessWhich country is known as the ‘Land of Thousand Lakes’?

Correct**Explanation:**

Finland is often referred to as “the land of the thousand lakes. This is because the lakes and rivers account for around 10 percent of the country’s land.Incorrect**Explanation:**

Finland is often referred to as “the land of the thousand lakes. This is because the lakes and rivers account for around 10 percent of the country’s land. - Question 46 of 100
##### 46. Question

1 pointsCategory: General AwarenessThe organisms at the base of the grazing food-chain are

Correct**Explanation:**

A grazing food web has plants (producers) or other photosynthetic organisms at its base, followed by herbivores and various carnivores. A detrital food web consists of a base of organisms that feed on decaying organic matter (dead organisms), called decomposers or detritivores.Incorrect**Explanation:**

A grazing food web has plants (producers) or other photosynthetic organisms at its base, followed by herbivores and various carnivores. A detrital food web consists of a base of organisms that feed on decaying organic matter (dead organisms), called decomposers or detritivores. - Question 47 of 100
##### 47. Question

1 pointsCategory: General AwarenessBombay was given away as dowry To the English King Charles II for marrying the princess of

CorrectIncorrect - Question 48 of 100
##### 48. Question

1 pointsCategory: General AwarenessHow many spokes are there in the Dharmachakra of the National Flag?

Correct**Explanation:**

Ashok Chakra is symbol of Dharmchakra and also known as Samay Chakra in which all the 24 spokes represented 24 hours of the day and symbol of the movement of the time.Incorrect**Explanation:**

Ashok Chakra is symbol of Dharmchakra and also known as Samay Chakra in which all the 24 spokes represented 24 hours of the day and symbol of the movement of the time. - Question 49 of 100
##### 49. Question

1 pointsCategory: General AwarenessWhich of the following cereal was first to be used by man?

CorrectIncorrect - Question 50 of 100
##### 50. Question

1 pointsCategory: General AwarenessVitamin A is rich in

CorrectIncorrect - Question 51 of 100
##### 51. Question

1 pointsCategory: ReasoningIn a certain code ‘PET’ is coded as 64, MET is coded as 52, then SET is coded as

Correct**Explanation:**

PET – P = 16 so 16*4 = 64

MET – M = 13 so 13*4 = 52

SET – S = 19 so 19*4 = 76Incorrect**Explanation:**

PET – P = 16 so 16*4 = 64

MET – M = 13 so 13*4 = 52

SET – S = 19 so 19*4 = 76 - Question 52 of 100
##### 52. Question

1 pointsCategory: ReasoningWhich answer figure will complete the pattern in the question figure?

CorrectIncorrect - Question 53 of 100
##### 53. Question

1 pointsCategory: Reasoning**Directions (53-56):**In each of the following questions, four words/series/pairs have been given of which three are alike in a certain way. Choose the odd one outCorrect**Explanation:**

All others are type of angles. Acute angle < 90, obtuse > 90 and right angle = 90Incorrect**Explanation:**

All others are type of angles. Acute angle < 90, obtuse > 90 and right angle = 90 - Question 54 of 100
##### 54. Question

1 pointsCategory: Reasoning**Directions (53-56):**In each of the following questions, four words/series/pairs have been given of which three are alike in a certain way. Choose the odd one outCorrect**Explanation:**

I + 17 = Z, B + 17 = S, E + 17 = VIncorrect**Explanation:**

I + 17 = Z, B + 17 = S, E + 17 = V - Question 55 of 100
##### 55. Question

1 pointsCategory: Reasoning**Directions (53-56):**In each of the following questions, four words/series/pairs have been given of which three are alike in a certain way. Choose the odd one outCorrect**Explanation:**

All others are multiples of 5.Incorrect**Explanation:**

All others are multiples of 5. - Question 56 of 100
##### 56. Question

1 pointsCategory: Reasoning**Directions (53-56):**In each of the following questions, four words/series/pairs have been given of which three are alike in a certain way. Choose the odd one outCorrect**Explanation:**

All others are govt. employees.Incorrect**Explanation:**

All others are govt. employees. - Question 57 of 100
##### 57. Question

1 pointsCategory: ReasoningFind the number that is common for all of the clue’s given below:

I) Virgo

II) Volleyball

III) Extra sensory perceptionsCorrectIncorrect - Question 58 of 100
##### 58. Question

1 pointsCategory: ReasoningSelect the missing number out of given options:

Correct**Explanation:**

5*4*3*1 = 60

2*1*7*6 = 84Incorrect**Explanation:**

5*4*3*1 = 60

2*1*7*6 = 84 - Question 59 of 100
##### 59. Question

1 pointsCategory: ReasoningIntroducing a man, a woman said, “His mother is the only daughter of my father”. How is the man related to the woman?

Correct**Explanation:**

Mother is the only daughter of my father, this means that only daughter is mother or than woman itself. So man is son of that woman.Incorrect**Explanation:**

Mother is the only daughter of my father, this means that only daughter is mother or than woman itself. So man is son of that woman. - Question 60 of 100
##### 60. Question

1 pointsCategory: ReasoningWhich one of the following jumbled words is not an animal?

Correct**Explanation:**

RAT, COFFEE, PANTHER, KANGAROOIncorrect**Explanation:**

RAT, COFFEE, PANTHER, KANGAROO - Question 61 of 100
##### 61. Question

1 pointsCategory: ReasoningStatements: Some alpha are beta. All beta are gamma. Some gamma are phi. No theta is beta.

Conclusions:

I. No theta is gamma

II. Some phi are alpha.Correct**Explanation:**

No theta is beta, but theta can be gamma, so it is not definite. II is also not definiteIncorrect**Explanation:**

No theta is beta, but theta can be gamma, so it is not definite. II is also not definite - Question 62 of 100
##### 62. Question

1 pointsCategory: ReasoningStatements: All alpha are beta. Some gamma are alpha. No beta is theta.

Conclusions:

I. Some beta are gamma

II. No beta is gammaCorrect**Explanation:**

Some beta are gamma is definitely true, so I follow only

For either or condition, both conclusions should be false, but here 1st is true.Incorrect**Explanation:**

Some beta are gamma is definitely true, so I follow only

For either or condition, both conclusions should be false, but here 1st is true. - Question 63 of 100
##### 63. Question

1 pointsCategory: ReasoningRavi is walking in the east direction. After covering a distance of one kilometer, he turns 45 degree left and then 90 degree right. In which direction is he now?

Correct**Explanation:**

Incorrect**Explanation:**

- Question 64 of 100
##### 64. Question

1 pointsCategory: ReasoningSelect the missing number from the given responses

Correct**Explanation:**

0+6+4+3+1+5 = 19, 19*7 = 133

8+2+5+3+4+6 = 28, 28*7 = 196Incorrect**Explanation:**

0+6+4+3+1+5 = 19, 19*7 = 133

8+2+5+3+4+6 = 28, 28*7 = 196 - Question 65 of 100
##### 65. Question

1 pointsCategory: Reasoning2, 5, 10, 17, 26, ?

Correct**Explanation:**

Addition of consecutive odd numbers.

+3, +5, +7, +9, +11Incorrect**Explanation:**

Addition of consecutive odd numbers.

+3, +5, +7, +9, +11 - Question 66 of 100
##### 66. Question

1 pointsCategory: ReasoningStudy the diagram given below and answer question.

The qualified and experienced doctors working in villages are represented by:

Correct**Explanation:**

We want all qualified, experienced n working in villages, and 5 number in figure contains all triangle, circle n square.Incorrect**Explanation:**

We want all qualified, experienced n working in villages, and 5 number in figure contains all triangle, circle n square. - Question 67 of 100
##### 67. Question

1 pointsCategory: ReasoningIf the words are organized in reverse order of what they appear in dictionary, which word will come in the third place?

Correct**Explanation:**

Reverse order is C, B, D, A, so D optionIncorrect**Explanation:**

Reverse order is C, B, D, A, so D option - Question 68 of 100
##### 68. Question

1 pointsCategory: ReasoningWhich of the following figures represent the correct relationship among Vegetables, Potatoes and Eatables?

Correct**Explanation:**

All potatoes are vegetables, all vegetables are eatables.Incorrect**Explanation:**

All potatoes are vegetables, all vegetables are eatables. - Question 69 of 100
##### 69. Question

1 pointsCategory: Reasoning**Directions (69-71):**Study the following information and answer the questions:

Ten people are sitting in two parallel rows containing 5 people each. There is equal distance between all people and each member seated in a row faces another member of other row.

A, B, C, D and E are seated facing north. P, Q, R, S, and T are seated facing south.

D sits third to the left of A. P faces immediate neighbor of D. R sits second to the right of P. Only one person sits between Q and S. B and E are immediate neighbors. E does not face P and Q.How many persons are seated between Q and T?

Correct**Explanation:**

R…Q…P…S…T

C…D…B…E…AIncorrect**Explanation:**

R…Q…P…S…T

C…D…B…E…A - Question 70 of 100
##### 70. Question

1 pointsCategory: Reasoning**Directions (69-71):**Study the following information and answer the questions:

Ten people are sitting in two parallel rows containing 5 people each. There is equal distance between all people and each member seated in a row faces another member of other row.

A, B, C, D and E are seated facing north. P, Q, R, S, and T are seated facing south.

D sits third to the left of A. P faces immediate neighbor of D. R sits second to the right of P. Only one person sits between Q and S. B and E are immediate neighbors. E does not face P and Q.Who amongst the following faces S?

CorrectIncorrect - Question 71 of 100
##### 71. Question

1 pointsCategory: Reasoning**Directions (69-71):**Study the following information and answer the questions:

Ten people are sitting in two parallel rows containing 5 people each. There is equal distance between all people and each member seated in a row faces another member of other row.

A, B, C, D and E are seated facing north. P, Q, R, S, and T are seated facing south.

D sits third to the left of A. P faces immediate neighbor of D. R sits second to the right of P. Only one person sits between Q and S. B and E are immediate neighbors. E does not face P and Q.Which of the following is true regarding B?

CorrectIncorrect - Question 72 of 100
##### 72. Question

1 pointsCategory: ReasoningLAUNNCH : OZFMMXS : : BLOCKED : ?

Correct**Explanation:**

Opposite of alphabets is written. A as Z, B as Y, C as X, and so on.Incorrect**Explanation:**

Opposite of alphabets is written. A as Z, B as Y, C as X, and so on. - Question 73 of 100
##### 73. Question

1 pointsCategory: ReasoningBIN : ACHJMO : : FIG : ?

Correct**Explanation:**

B – A B C so B = AC

I – H I J so I = HJ

N – M N O so N = MOIncorrect**Explanation:**

B – A B C so B = AC

I – H I J so I = HJ

N – M N O so N = MO - Question 74 of 100
##### 74. Question

1 pointsCategory: ReasoningGarbage : House : : Gangue : ?

Correct**Explanation:**

House contains garbage, like that ore contains gangueIncorrect**Explanation:**

House contains garbage, like that ore contains gangue - Question 75 of 100
##### 75. Question

1 pointsCategory: Reasoning12 : 72 : : 8 : ?

Correct**Explanation:**

12 – 12/2 = 6, so 12*6 = 72

8 – 8/2 = 4, so 8*4 = 32Incorrect**Explanation:**

12 – 12/2 = 6, so 12*6 = 72

8 – 8/2 = 4, so 8*4 = 32 - Question 76 of 100
##### 76. Question

1 pointsCategory: Quantitative Aptitude**Directions (76 – 78):**Study the following pie chart and answer the following questions.

The pie chart shows expenditure incurred by a family on various items and their savings.

If the expenditure on education is Rs 1600 more than that of housing then the expenditure on food is

Correct**Explanation:**

(70/360)*x = (54/360)*x + 1600

Solve, x = 36000

So exp on food is = (120/360)*36000 = 12000Incorrect**Explanation:**

(70/360)*x = (54/360)*x + 1600

Solve, x = 36000

So exp on food is = (120/360)*36000 = 12000 - Question 77 of 100
##### 77. Question

1 pointsCategory: Quantitative Aptitude**Directions (76 – 78):**Study the following pie chart and answer the following questions.

The pie chart shows expenditure incurred by a family on various items and their savings.

The ratio of expenditure on food to savings is

Correct**Explanation:**

120 : 60 = 2 : 1Incorrect**Explanation:**

120 : 60 = 2 : 1 - Question 78 of 100
##### 78. Question

1 pointsCategory: Quantitative Aptitude**Directions (76 – 78):**Study the following pie chart and answer the following questions.

The pie chart shows expenditure incurred by a family on various items and their savings.

If the monthly income is Rs 36000 then the yearly savings is

Correct**Explanation:**

Monthly savings = (60/360)*36000 = 6000

So yearly = 12*6000Incorrect**Explanation:**

Monthly savings = (60/360)*36000 = 6000

So yearly = 12*6000 - Question 79 of 100
##### 79. Question

1 pointsCategory: Quantitative Aptitude**Directions (79 – 81):**Study the following bar graph and answer the following questions.

The graph shows the number of people in different cities who prefer taking cars -Chevrolet, Skoda and Mercedes

Number of people who prefer Skoda car in Chennai forms approximately what percent of the total number of people who prefer Skoda car from all the cities together?

Correct**Explanation:**

Skoda in Chennai = 425

In all cities = 1525

So required % = (425/1525)*100Incorrect**Explanation:**

Skoda in Chennai = 425

In all cities = 1525

So required % = (425/1525)*100 - Question 80 of 100
##### 80. Question

1 pointsCategory: Quantitative Aptitude**Directions (79 – 81):**Study the following bar graph and answer the following questions.

The graph shows the number of people in different cities who prefer taking cars -Chevrolet, Skoda and Mercedes

Total number of people who prefer Mercedes in Hyderabad and Mumbai together are approximately what percent less than the total number of people who prefer Mercedes in Chennai and Jaipur together?

Correct**Explanation:**

Mercedes in Hyderabad and Mumbai = 200+350 = 550

Mercedes in Chennai and Jaipur = 375+325 = 700

Required% = 550/700 * 100Incorrect**Explanation:**

Mercedes in Hyderabad and Mumbai = 200+350 = 550

Mercedes in Chennai and Jaipur = 375+325 = 700

Required% = 550/700 * 100 - Question 81 of 100
##### 81. Question

1 pointsCategory: Quantitative Aptitude**Directions (79 – 81):**Study the following bar graph and answer the following questions.

The graph shows the number of people in different cities who prefer taking cars -Chevrolet, Skoda and Mercedes

Number of people who prefer Chevrolet in Hyderabad forms what percent of total number of people applied from all the categories in Hyderabad? (Rounded off to 2 decimal places)

Correct**Explanation:**

Chevrolet in Hyd is 250

All cars in Hyd 250+150+200 = 600

So required% = (250/600)*100Incorrect**Explanation:**

Chevrolet in Hyd is 250

All cars in Hyd 250+150+200 = 600

So required% = (250/600)*100 - Question 82 of 100
##### 82. Question

1 pointsCategory: Quantitative Aptitudecot (1125 degrees) =

Correct**Explanation:**

Cot 1125 = cot (6ᴨ + 45) = cot 45 = 1 [ᴨ = 180]Incorrect**Explanation:**

Cot 1125 = cot (6ᴨ + 45) = cot 45 = 1 [ᴨ = 180] - Question 83 of 100
##### 83. Question

1 pointsCategory: Quantitative AptitudeA man rides at the rate of 18 km/hr but stops for 6 minutes to make drink water to horse at the end of every 7th km. What is the time taken to cover 90 km this way?

Correct**Explanation:**

In 90 km, 90/7 = 12

So number of stoppages = 12

So total time is (90/18) hrs + 12*6 mins = 5 hrs + 72 mins = 6 hrs 12 minsIncorrect**Explanation:**

In 90 km, 90/7 = 12

So number of stoppages = 12

So total time is (90/18) hrs + 12*6 mins = 5 hrs + 72 mins = 6 hrs 12 mins - Question 84 of 100
##### 84. Question

1 pointsCategory: Quantitative Aptitude15 litres of a mixture contains milk and water in the ratio 4 : 1. If 3 litres of milk is mixed in it, the percentage of water in the new mixture will be

Correct**Explanation:**

4 : 1, so In 15 l mixture, milk is (4/5)*15 = 12 and then water = 3 l

3 l of milk added, so total mixture = 15+3 = 18 l, and water remained at 3l

So % of water is (3/18)*100Incorrect**Explanation:**

4 : 1, so In 15 l mixture, milk is (4/5)*15 = 12 and then water = 3 l

3 l of milk added, so total mixture = 15+3 = 18 l, and water remained at 3l

So % of water is (3/18)*100 - Question 85 of 100
##### 85. Question

1 pointsCategory: Quantitative AptitudeA fruit seller buys some oranges at the rate of 4 for Rs 10 and an equal number at 5 for Rs 10. He sells the whole lot at 9 for Rs 20. What is his gain/loss%?

CorrectExplanation:

We have a shortcut for this:

Bought 4 for Rs 10 and 5 for Rs 10.

Sold 9 for Rs 20 or (9/2) for Rs 10. Now all bought and sold at Rs 10. Remember the price should be same in all cases.

Gain/loss% =

So gain/loss% =[ 2*4*5/[(9/2) * (4+5)] – 1] * 100 = [80/81 – 1] * 100 = – 100/81

– means loss, 100/81%IncorrectExplanation:

We have a shortcut for this:

Bought 4 for Rs 10 and 5 for Rs 10.

Sold 9 for Rs 20 or (9/2) for Rs 10. Now all bought and sold at Rs 10. Remember the price should be same in all cases.

Gain/loss% =

So gain/loss% =[ 2*4*5/[(9/2) * (4+5)] – 1] * 100 = [80/81 – 1] * 100 = – 100/81

– means loss, 100/81% - Question 86 of 100
##### 86. Question

1 pointsCategory: Quantitative AptitudeA man rows down a river 15 km in 3 hrs with the stream and returns in 7 ½ hrs. The rate at which he rows in still water is

Correct**Explanation:**

Downstream speed = 15/3 = 5

Upstream speed = 15/(15/2) = 2

So speed in still water is (5+2)/2 = 7/2Incorrect**Explanation:**

Downstream speed = 15/3 = 5

Upstream speed = 15/(15/2) = 2

So speed in still water is (5+2)/2 = 7/2 - Question 87 of 100
##### 87. Question

1 pointsCategory: Quantitative AptitudeThe median of the data set {45, 78, 23, 16, 29, 38, 92, 56, 77} is

Correct**Explanation:**

To find median, first put the data in ascending order,-

{16, 23, 29, 38, 45, 56, 77, 78, 92}

Now see the middle most number which is 45 here which is the medianIncorrect**Explanation:**

To find median, first put the data in ascending order,-

{16, 23, 29, 38, 45, 56, 77, 78, 92}

Now see the middle most number which is 45 here which is the median - Question 88 of 100
##### 88. Question

1 pointsCategory: Quantitative AptitudeIf 3x + 4y = 36 and 4x + 3y = 34, find the value of x.

Correct**Explanation:**

Multiply 3x + 4y = 36 by 3 and 4x + 3y = 34 by 4

So 9x + 12y = 108 and 16x + 12y = 136

Subtract both, 7x = 28Incorrect**Explanation:**

Multiply 3x + 4y = 36 by 3 and 4x + 3y = 34 by 4

So 9x + 12y = 108 and 16x + 12y = 136

Subtract both, 7x = 28 - Question 89 of 100
##### 89. Question

1 pointsCategory: Quantitative AptitudeThe ratio of the radii of two circles is 2 : 3, then the ratio of their area is

Correct**Explanation:**

ᴨr^2/ᴨR^2 = 2^2/3^2 = 4/9Incorrect**Explanation:**

ᴨr^2/ᴨR^2 = 2^2/3^2 = 4/9 - Question 90 of 100
##### 90. Question

1 pointsCategory: Quantitative AptitudeThe average of 5 numbers is 140. If one number is excluded, the average of the remaining 4 numbers is 130. The excluded number is

Correct**Explanation:**

excluded number = 5*140 – 4*130Incorrect**Explanation:**

excluded number = 5*140 – 4*130 - Question 91 of 100
##### 91. Question

1 pointsCategory: Quantitative AptitudeConsider the data set {6, 4, 8, 3, 9}. The standard deviation of set is

Correct**Explanation:**

Standard deviation = √[ ( (6-10)^2+(4-10)^2+(8-10)^2+(3-10)^2+(9-10)^2 )/5 ]

= √[ (16 + 36 + 4 + 49 + 1)/5 ] = √21.2 = 4.6Incorrect**Explanation:**

Standard deviation = √[ ( (6-10)^2+(4-10)^2+(8-10)^2+(3-10)^2+(9-10)^2 )/5 ]

= √[ (16 + 36 + 4 + 49 + 1)/5 ] = √21.2 = 4.6 - Question 92 of 100
##### 92. Question

1 pointsCategory: Quantitative AptitudeIf (tan ɸ + cot ɸ)/ (tan ɸ – cot ɸ) = 2, then find the value of sin ɸ. (0 ≤ ɸ ≤ 90)

Correct**Explanation:**

Do componendo and dividend

(tan ɸ + cot ɸ + tan ɸ – cot ɸ)/ (tan ɸ + cot ɸ – (tan ɸ – cot ɸ)) = (2+1)/(2-1)

Gives 2 tan ɸ/2 cot ɸ = 3

Solve, (sin ɸ/cos ɸ) * (cos ɸ/sin ɸ) = 3

So sin^{2}ɸ = 3cos^{2}ɸ

Or sin^{2}ɸ = 3 ( 1 – sin^{2}ɸ)

Or 4 sin^{2}ɸ = 3

Gives sin^{2}ɸ = 3/4

So sin ɸ = √3/2Incorrect**Explanation:**

Do componendo and dividend

(tan ɸ + cot ɸ + tan ɸ – cot ɸ)/ (tan ɸ + cot ɸ – (tan ɸ – cot ɸ)) = (2+1)/(2-1)

Gives 2 tan ɸ/2 cot ɸ = 3

Solve, (sin ɸ/cos ɸ) * (cos ɸ/sin ɸ) = 3

So sin^{2}ɸ = 3cos^{2}ɸ

Or sin^{2}ɸ = 3 ( 1 – sin^{2}ɸ)

Or 4 sin^{2}ɸ = 3

Gives sin^{2}ɸ = 3/4

So sin ɸ = √3/2 - Question 93 of 100
##### 93. Question

1 pointsCategory: Quantitative AptitudeThe angles of elevation of the top of a building and the top of the chimney on the roof of eth building from a point on the ground are x and 45 degree respectively. The height of the building is h metre. Find the height of the chimney in metre.

Correct**Explanation:**

AB = h, let AD = y = chimney height

In ∆BCD, tan 45 = BD/BC

So 1 = (h+y)/BC, or BC = h+y

In ∆ABC, tan x = AB/BC

SO tan x = h/BC, so BC = h cot x

Solve both equations, y = h cot x – hIncorrect**Explanation:**

AB = h, let AD = y = chimney height

In ∆BCD, tan 45 = BD/BC

So 1 = (h+y)/BC, or BC = h+y

In ∆ABC, tan x = AB/BC

SO tan x = h/BC, so BC = h cot x

Solve both equations, y = h cot x – h - Question 94 of 100
##### 94. Question

1 pointsCategory: Quantitative AptitudeBy selling 1500 articles, there is a loss of equal to the cost price of 100 articles. Find the loss%.

Correct**Explanation:**

Loss is there, so CP – SP

CP of 1500 articles – SP of 1500 articles = CP of 100 articles

So CP of 1400 articles = SP of 1500 articles

So loss% = (1500-1400)/1500 * 100 = (100/1500)*100Incorrect**Explanation:**

Loss is there, so CP – SP

CP of 1500 articles – SP of 1500 articles = CP of 100 articles

So CP of 1400 articles = SP of 1500 articles

So loss% = (1500-1400)/1500 * 100 = (100/1500)*100 - Question 95 of 100
##### 95. Question

1 pointsCategory: Quantitative Aptitude47 is added to the product of 71 and an unknown number. The new number is divisible by 7 giving the quotient 98. The unknown number is a multiple of

Correct**Explanation:**

Let unknown number be x

So the new number becomes = 71*x + 47

Now this number is divisible by 7 giving the quotient 98, so the number should be 7*98

So 71*x + 47 = 7*98

Solve, x = 9, which is a multiple of 3Incorrect**Explanation:**

Let unknown number be x

So the new number becomes = 71*x + 47

Now this number is divisible by 7 giving the quotient 98, so the number should be 7*98

So 71*x + 47 = 7*98

Solve, x = 9, which is a multiple of 3 - Question 96 of 100
##### 96. Question

1 pointsCategory: Quantitative AptitudeA can do a piece of work in 6 days. B is 50% more efficient than A. In how many days A and B together can complete the work?

Correct**Explanation:**

A in 6 days, B 50% more efficient, so ratio of days in which A and B can do work is

A : B = 150/100 : 1 = 3 : 2

So 3x = 6days, x = 2, so B alone can do in 2x days = 4 days

So both can do in = (6*4)/10 = 12/5 daysIncorrect**Explanation:**

A in 6 days, B 50% more efficient, so ratio of days in which A and B can do work is

A : B = 150/100 : 1 = 3 : 2

So 3x = 6days, x = 2, so B alone can do in 2x days = 4 days

So both can do in = (6*4)/10 = 12/5 days - Question 97 of 100
##### 97. Question

1 pointsCategory: Quantitative AptitudeFind the smallest number of 4 digits which is exactly divisible by 12, 15, 21 and 30.

Correct**Explanation:**

Least 4 digit number = 1000

LCM of (12, 15, 21, 30) = 420

On dividing 420 by 1000, leaves remainder = 160

So answer = 1000 + (420 – 160)Incorrect**Explanation:**

Least 4 digit number = 1000

LCM of (12, 15, 21, 30) = 420

On dividing 420 by 1000, leaves remainder = 160

So answer = 1000 + (420 – 160) - Question 98 of 100
##### 98. Question

1 pointsCategory: Quantitative AptitudeIf the difference between simple interest and compound interest on a certain sum of money for 3 years at 10% per annum is Rs 31, what is the sum?

Correct**Explanation:**

When rate is same, difference between SI and CI for 3 yrs = Pr^{2}(r+300)/100^{3}

So 31 = P*10*10*310/100*100*100

Solve, P = 1000Incorrect**Explanation:**

When rate is same, difference between SI and CI for 3 yrs = Pr^{2}(r+300)/100^{3}

So 31 = P*10*10*310/100*100*100

Solve, P = 1000 - Question 99 of 100
##### 99. Question

1 pointsCategory: Quantitative AptitudeA certain article was sold at 10% discount to the retailer. If the retailer also sold the article at 10% discount on the cost price for retailer, what is the overall discount got by the customer?

Correct**Explanation:**

It is a case of successive discount, so

Overall discount = (-10) + (-10) + (-10)(-10)/100 = – 10 – 10 + 1 = -19Incorrect**Explanation:**

It is a case of successive discount, so

Overall discount = (-10) + (-10) + (-10)(-10)/100 = – 10 – 10 + 1 = -19 - Question 100 of 100
##### 100. Question

1 pointsCategory: Quantitative AptitudeA solid cone of height 10 cm and diameter of base 20 cm is cut out from a solid sphere of radius 10 cm. Find the percentage of wood wasted.

Correct**Explanation:**

Volume of sphere = (4/3)ᴨr^{3}

Volume of cone = (1/3)ᴨr^{2}h = (1/3)ᴨr^{3}[since r = h]

Both radius are same and height is also equal to radius, so

Wood wasted = (4/3)ᴨr^{3}– (1/3)ᴨr^{3}= ᴨr^{3}

So % of wood wasted = [ᴨr^{3}]/ [(4/3)ᴨr^{3}] * 100

= (3/4)*100 = 75Incorrect**Explanation:**

Volume of sphere = (4/3)ᴨr^{3}

Volume of cone = (1/3)ᴨr^{2}h = (1/3)ᴨr^{3}[since r = h]

Both radius are same and height is also equal to radius, so

Wood wasted = (4/3)ᴨr^{3}– (1/3)ᴨr^{3}= ᴨr^{3}

So % of wood wasted = [ᴨr^{3}]/ [(4/3)ᴨr^{3}] * 100

= (3/4)*100 = 75

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