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Title: Railway RRB 2016 Course: Mock Test 1
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General Awareness (150)
Reasoning (51 75)
Quantitative Aptitude (76100)
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 Answered
 Review

Question 1 of 100
1. Question
1 pointsCategory: General AwarenessWhich of the following is not a type of fruit?
Correct
Explanation:
Fruits are of 3 types: Simple, Aggregate and Composite or MultipleIncorrect
Explanation:
Fruits are of 3 types: Simple, Aggregate and Composite or Multiple 
Question 2 of 100
2. Question
1 pointsCategory: General AwarenessWho is known as the father of genetics?
Correct
Incorrect

Question 3 of 100
3. Question
1 pointsCategory: General AwarenessWhich of the following is known as ‘Kitchen of the cell’?
Correct
Explanation:
Chloroplast absorb sunlight n use it in conjunction with water and carbon dioxide to produce food for plant.Incorrect
Explanation:
Chloroplast absorb sunlight n use it in conjunction with water and carbon dioxide to produce food for plant. 
Question 4 of 100
4. Question
1 pointsCategory: General AwarenessWhich of the following is an ideal gas equation?
Correct
Incorrect

Question 5 of 100
5. Question
1 pointsCategory: General AwarenessThe process which involves removal of Hydrogen is
Correct
Explanation:
In oxidation: addition of oxygen and removal of HydrogenIncorrect
Explanation:
In oxidation: addition of oxygen and removal of Hydrogen 
Question 6 of 100
6. Question
1 pointsCategory: General AwarenessWhich of the following salt is used in washing soda?
Correct
Incorrect

Question 7 of 100
7. Question
1 pointsCategory: General AwarenessWhat is the smallest part of matter?
Correct
Incorrect

Question 8 of 100
8. Question
1 pointsCategory: General AwarenessCandela is the SI unit of
Correct
Incorrect

Question 9 of 100
9. Question
1 pointsCategory: General AwarenessWhich of the following is used to measure the temperature of a surface?
Correct
Explanation:
They are used to measure very high temperatureIncorrect
Explanation:
They are used to measure very high temperature 
Question 10 of 100
10. Question
1 pointsCategory: General AwarenessG. Marconi invented which of the following?
Correct
Incorrect

Question 11 of 100
11. Question
1 pointsCategory: General AwarenessLargest gland of the human body is
Correct
Incorrect

Question 12 of 100
12. Question
1 pointsCategory: General AwarenessWhich of the following contains Tartaric Acid?
Correct
Incorrect

Question 13 of 100
13. Question
1 pointsCategory: General AwarenessAn eye defect in which the person can see the near objects while far objects are not clear is called
Correct
Incorrect

Question 14 of 100
14. Question
1 pointsCategory: General Awareness1 astronomical unit (A.U.) equals
Correct
Incorrect

Question 15 of 100
15. Question
1 pointsCategory: General AwarenessThe odour in onion and garlic is due to the presence of
Correct
Incorrect

Question 16 of 100
16. Question
1 pointsCategory: General AwarenessThe study of algae is called
Correct
Incorrect

Question 17 of 100
17. Question
1 pointsCategory: General AwarenessWhich of the following enzyme is present in the gastric juice of stomach?
Correct
Explanation:
Pepsin converts proteins into polypeptides. Pepsin n Renin are present in gastric juiceIncorrect
Explanation:
Pepsin converts proteins into polypeptides. Pepsin n Renin are present in gastric juice 
Question 18 of 100
18. Question
1 pointsCategory: General AwarenessPenicillin was discovered by
Correct
Incorrect

Question 19 of 100
19. Question
1 pointsCategory: General AwarenessWhich of the following was the first Speaker of Lok Sabha?
Correct
Incorrect

Question 20 of 100
20. Question
1 pointsCategory: General AwarenessThe smallest planet is
Correct
Explanation:
Jupiter is largestIncorrect
Explanation:
Jupiter is largest 
Question 21 of 100
21. Question
1 pointsCategory: General AwarenessThe headquarters of United Nations Institute for Training and Research (UNITAR) is in
Correct
Explanation:
UNITAR originally had its headquarters in New York. In 1993 moved to GenevaIncorrect
Explanation:
UNITAR originally had its headquarters in New York. In 1993 moved to Geneva 
Question 22 of 100
22. Question
1 pointsCategory: General AwarenessWhen is World Water Day observed?
Correct
Incorrect

Question 23 of 100
23. Question
1 pointsCategory: General AwarenessWho is known as the ‘Morning Star of Indian Renaissance’?
Correct
Explanation:
Raja Ram Mohan Rai known for campaign for abolition of ‘sati pratha’. Also known as father of Indian nationalismIncorrect
Explanation:
Raja Ram Mohan Rai known for campaign for abolition of ‘sati pratha’. Also known as father of Indian nationalism 
Question 24 of 100
24. Question
1 pointsCategory: General AwarenessWho is the writer of the book ‘Envisioning an Empowered Nation’?
Correct
Incorrect

Question 25 of 100
25. Question
1 pointsCategory: General AwarenessWankhede Stadium, Mumbai is related to
Correct
Incorrect

Question 26 of 100
26. Question
1 pointsCategory: General AwarenessThe capital town of Raja Janak’s territory is
Correct
Incorrect

Question 27 of 100
27. Question
1 pointsCategory: General AwarenessAccording to 2011 census, what is the sex ratio in the country?
Correct
Incorrect

Question 28 of 100
28. Question
1 pointsCategory: General AwarenessBattle of Plassey was fought in the year
Correct
Incorrect

Question 29 of 100
29. Question
1 pointsCategory: General AwarenessAt which of the Congress session did Congress split?
Correct
Incorrect

Question 30 of 100
30. Question
1 pointsCategory: General AwarenessKalinga war was fought by
Correct
Incorrect

Question 31 of 100
31. Question
1 pointsCategory: General AwarenessWho founded the Lodhi Dynasty?
Correct
Explanation:
Ibrahim Lodhi was son of Sikandar Lodhi who was son Bahlul Lodhi. Lodhi Dynasty founded in 1451Incorrect
Explanation:
Ibrahim Lodhi was son of Sikandar Lodhi who was son Bahlul Lodhi. Lodhi Dynasty founded in 1451 
Question 32 of 100
32. Question
1 pointsCategory: General AwarenessKaziranga National Park is situated at
Correct
Incorrect

Question 33 of 100
33. Question
1 pointsCategory: General AwarenessWhich of the following is not a type of railway line in India?
Correct
Explanation:
There are 3 types of railway lines in India: Narrow Gauge, Meter Gauge and Broad GaugeIncorrect
Explanation:
There are 3 types of railway lines in India: Narrow Gauge, Meter Gauge and Broad Gauge 
Question 34 of 100
34. Question
1 pointsCategory: General AwarenessCuttak is situated at the banks of river
Correct
Incorrect

Question 35 of 100
35. Question
1 pointsCategory: General AwarenessDamascus is the capital city of
Correct
Incorrect

Question 36 of 100
36. Question
1 pointsCategory: General AwarenessHeadquarters of South Central Railway is in
Correct
Incorrect

Question 37 of 100
37. Question
1 pointsCategory: General AwarenessBR Ambedkar International Airport is situated at
Correct
Incorrect

Question 38 of 100
38. Question
1 pointsCategory: General AwarenessThe Parliament of India does not consist of
Correct
Explanation:
The Parliament of India consist of 3 : Lok Sabha, Rajya Sabha , and PresidentIncorrect
Explanation:
The Parliament of India consist of 3 : Lok Sabha, Rajya Sabha , and President 
Question 39 of 100
39. Question
1 pointsCategory: General AwarenessEvery judge of the Supreme Court is appointed by the
Correct
Incorrect

Question 40 of 100
40. Question
1 pointsCategory: General AwarenessNationalisation of India Banks is done in how many phases?
Correct
Explanation:
First in 1969 – 14 banks. Then in 1980 – 6 banks. Then New Bank of India merged with PNB, so now there are 19 nationalized banksIncorrect
Explanation:
First in 1969 – 14 banks. Then in 1980 – 6 banks. Then New Bank of India merged with PNB, so now there are 19 nationalized banks 
Question 41 of 100
41. Question
1 pointsCategory: General AwarenessWhich of the following is the real account?
Correct
Incorrect

Question 42 of 100
42. Question
1 pointsCategory: General AwarenessWhich of the following is a programme to provide employment to urban unemployed?
Correct
Explanation:
Introduced in 198990Incorrect
Explanation:
Introduced in 198990 
Question 43 of 100
43. Question
1 pointsCategory: General AwarenessKalinga award is given for
Correct
Incorrect

Question 44 of 100
44. Question
1 pointsCategory: General AwarenessMagnalium is an alloy of
Correct
Explanation:
Magnalium is an alloy of Aluminum and Magnesiumwith small amounts of nickel and tinIncorrect
Explanation:
Magnalium is an alloy of Aluminum and Magnesiumwith small amounts of nickel and tin 
Question 45 of 100
45. Question
1 pointsCategory: General AwarenessHow many members of the Rajya Sabha retire from the house every two years?
Correct
Incorrect

Question 46 of 100
46. Question
1 pointsCategory: General AwarenessIn the context of stock market, IPO stands for
Correct
Incorrect

Question 47 of 100
47. Question
1 pointsCategory: General AwarenessWho discovered the sea route to India?
Correct
Incorrect

Question 48 of 100
48. Question
1 pointsCategory: General AwarenessAt which of the following places is the satellite launching centre of India located?
Correct
Incorrect

Question 49 of 100
49. Question
1 pointsCategory: General AwarenessThe weight of an average human brain is approximately
Correct
Incorrect

Question 50 of 100
50. Question
1 pointsCategory: General Awareness‘Dilli Chalo’ was said by
Correct
Incorrect

Question 51 of 100
51. Question
1 pointsCategory: ReasoningVandita started from her house in south direction and walked 10 km. Next she turned right and walked 5 km, again turned right and walked 10 km. Finally she turned left and after walking 10 km, she stopped. How many kilometers will she have to walk straight to go back to her home?
Correct
Explanation:
Incorrect
Explanation:

Question 52 of 100
52. Question
1 pointsCategory: ReasoningIn the equation ‘10 + 10 ÷ 10 – 10 × 10 = 10’, which of the following interchanges of sign will make the equal true?
Correct
Explanation:
10 × 10 ÷ 10 – 10 + 10 = 10 × 1 – 10 + 10 = 10 – 10 + 10 = 20 – 10
[apply BODMAS]Incorrect
Explanation:
10 × 10 ÷ 10 – 10 + 10 = 10 × 1 – 10 + 10 = 10 – 10 + 10 = 20 – 10
[apply BODMAS] 
Question 53 of 100
53. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
53)
Correct
Explanation:
Other three are related to waterIncorrect
Explanation:
Other three are related to water 
Question 54 of 100
54. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
54)
Correct
Explanation:
Mob is unorganized gathering of peopleIncorrect
Explanation:
Mob is unorganized gathering of people 
Question 55 of 100
55. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
55)
Correct
Explanation:
Masterservant are antonyms, all other pairs show similar thingsIncorrect
Explanation:
Masterservant are antonyms, all other pairs show similar things 
Question 56 of 100
56. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
56)
Correct
Explanation:
Urdu adopted. All others native languageIncorrect
Explanation:
Urdu adopted. All others native language 
Question 57 of 100
57. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
57)
Correct
Explanation:
V(22) = I(9)+M(13), W = D+SIncorrect
Explanation:
V(22) = I(9)+M(13), W = D+S 
Question 58 of 100
58. Question
1 pointsCategory: ReasoningDirections (5358): 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 out
58)
Correct
Explanation:
Except 4 – 12 – 70, in all others, the smallest number if a factor of other two.Incorrect
Explanation:
Except 4 – 12 – 70, in all others, the smallest number if a factor of other two. 
Question 59 of 100
59. Question
1 pointsCategory: ReasoningIf 6, 2 = 48; 7, 2 = 59; 9, 2 = 711; and 5, 1 = 46, then 8, 1 equals
Correct
Explanation:
62=4, 6+2=8 so 48
72=5, 7+2=9, so 59Incorrect
Explanation:
62=4, 6+2=8 so 48
72=5, 7+2=9, so 59 
Question 60 of 100
60. Question
1 pointsCategory: ReasoningWhich one of the following responses would be a meaningful order of the following?
(i) Travel (ii) Destination (iii) Payment (iv) Reservation (v) Availability of seat for reservationCorrect
Explanation:
First the destination will be selected, then Availability of seat would be checked, payment done, then reservation confirmed, then travelIncorrect
Explanation:
First the destination will be selected, then Availability of seat would be checked, payment done, then reservation confirmed, then travel 
Question 61 of 100
61. Question
1 pointsCategory: ReasoningArrange the following words as per order in the dictionary:
(i) Discreet (ii) Discrepancy (iii) Disease (iv) Discourse (v) Disable (vi) DiscountCorrect
Incorrect

Question 62 of 100
62. Question
1 pointsCategory: ReasoningHow many pairs of letters (both in forward and reverse direction) are there in the word PROJECTION, each of which has as many letters between then in the word as they have between then in the English alphabet?
Correct
Explanation:
Forward – JO
Reverse – IP, NOIncorrect
Explanation:
Forward – JO
Reverse – IP, NO 
Question 63 of 100
63. Question
1 pointsCategory: ReasoningIn a code language, PICTURE is written as QODVASI, then how is LAYOUT written in that code?
Correct
Explanation:
Each consonant replaced by next consonant, each vowel by next vowel – U to AIncorrect
Explanation:
Each consonant replaced by next consonant, each vowel by next vowel – U to A 
Question 64 of 100
64. Question
1 pointsCategory: Reasoning19, 10, 11, 18, 38, ?
Correct
Explanation:
19*0.5 + 0.5, 10*1 + 1, 11*1.5 + 1.5, 18*2 + 2Incorrect
Explanation:
19*0.5 + 0.5, 10*1 + 1, 11*1.5 + 1.5, 18*2 + 2 
Question 65 of 100
65. Question
1 pointsCategory: Reasoning14, 29, 60, 123, ?
Correct
Explanation:
14*2 + 1, 29*2 + 2, 60*2 + 3, 123*2 + 4Incorrect
Explanation:
14*2 + 1, 29*2 + 2, 60*2 + 3, 123*2 + 4 
Question 66 of 100
66. Question
1 pointsCategory: ReasoningPointing to a man in a photograph, a woman said, “His brother’s father is the only son of my grandfather”. How is the woman related to the man in the photograph?
Correct
Explanation:
Woman’s grandfather has only son, this means woman is daughter of that son, so the son of that son is brother of woman, or woman is sister of that man in pic.Incorrect
Explanation:
Woman’s grandfather has only son, this means woman is daughter of that son, so the son of that son is brother of woman, or woman is sister of that man in pic. 
Question 67 of 100
67. Question
1 pointsCategory: ReasoningF is brother of A, C is daughter of A, K is sister of F and I is brother of C. Who is the uncle of I?
Correct
Explanation:
C is daughter of A, I brother of C, so I is son of A.
F is brother of A, so F is uncle of A’s son IIncorrect
Explanation:
C is daughter of A, I brother of C, so I is son of A.
F is brother of A, so F is uncle of A’s son I 
Question 68 of 100
68. Question
1 pointsCategory: ReasoningConsider 3 classes: Teacher, Poet, Graduate. Out of the four figures that follow, which figure represent the relationship amongst the three classes?
Correct
Explanation:
Any teacher can be poet or graduate, any poet can be teacher or graduate and any graduate can be teacher and poet.Incorrect
Explanation:
Any teacher can be poet or graduate, any poet can be teacher or graduate and any graduate can be teacher and poet. 
Question 69 of 100
69. Question
1 pointsCategory: ReasoningDirections (6970): Study the following information and answer the questions:
Six friends – A, B, C, D, E and F are sitting in a row facing towards North. C is sitting between A and E. D is not at the end. B is sitting at immediate right of E. F is not at the right end but D is sitting at 3rd left of E.How many persons are sitting to the right of A?
Correct
Explanation:
First make B and E, then D, then put A and C, now F not at right end, so F at left end. The order becomes: F D A C E BIncorrect
Explanation:
First make B and E, then D, then put A and C, now F not at right end, so F at left end. The order becomes: F D A C E B 
Question 70 of 100
70. Question
1 pointsCategory: ReasoningDirections (6970): Study the following information and answer the questions:
Six friends – A, B, C, D, E and F are sitting in a row facing towards North. C is sitting between A and E. D is not at the end. B is sitting at immediate right of E. F is not at the right end but D is sitting at 3rd left of E.Who is sitting at the immediate right of D?
Correct
Incorrect

Question 71 of 100
71. Question
1 pointsCategory: ReasoningAt what time between 2 and 3 o’clock will the hands of a clock be in the same straight line but not together?
Correct
Explanation:
Between 2 and 3 o’clock, hands of a clock be in the same straight line at 2:40 PM, this means 40 minutes past 2 or 20 minutes to 3.Incorrect
Explanation:
Between 2 and 3 o’clock, hands of a clock be in the same straight line at 2:40 PM, this means 40 minutes past 2 or 20 minutes to 3. 
Question 72 of 100
72. Question
1 pointsCategory: ReasoningToday is Saturday. What will be after 25 days?
Correct
Explanation:
Saturday + (7*3=21) = Saturday. So after 4 days – WednesdayIncorrect
Explanation:
Saturday + (7*3=21) = Saturday. So after 4 days – Wednesday 
Question 73 of 100
73. Question
1 pointsCategory: ReasoningFire : Smoke : : ?
Correct
Explanation:
Fire causes smoke, cloud causes rainIncorrect
Explanation:
Fire causes smoke, cloud causes rain 
Question 74 of 100
74. Question
1 pointsCategory: ReasoningZPN : PBR : : LTA : ?
Correct
Explanation:
ZPN – N+2, Z+2, P+2 = PBRIncorrect
Explanation:
ZPN – N+2, Z+2, P+2 = PBR 
Question 75 of 100
75. Question
1 pointsCategory: Reasoning6 : 12 : : 20 : ?
Correct
Explanation:
6=2*3, 3*4 = 12. 20 = 4*5, 5*6 = 30Incorrect
Explanation:
6=2*3, 3*4 = 12. 20 = 4*5, 5*6 = 30 
Question 76 of 100
76. Question
1 pointsCategory: Quantitative AptitudeThe sum of two numbers is 50 and HCF and LCM of these numbers is 5 and 175 respectively. What is the sum of the reciprocals of these two numbers?
Correct
Explanation:
x + y = 50, xy = 5*175 = 875
sum of reciprocals = 1/x + 1/y = (x+y)/xy = 50/875Incorrect
Explanation:
x + y = 50, xy = 5*175 = 875
sum of reciprocals = 1/x + 1/y = (x+y)/xy = 50/875 
Question 77 of 100
77. Question
1 pointsCategory: Quantitative AptitudeA 77 litres of mixture contains copper and zinc in the ratio 2 : 5. How much copper need to be added to this mixture so that the new ratio is 6 : 11 respectively?
Correct
Explanation:
copper in original = (2/7) * 77 = 22 l, so water = 77 – 22 = 55 l
Let x l of copper to be added, so
(22+x)/55 = 6/11
Solve, x = 8Incorrect
Explanation:
copper in original = (2/7) * 77 = 22 l, so water = 77 – 22 = 55 l
Let x l of copper to be added, so
(22+x)/55 = 6/11
Solve, x = 8 
Question 78 of 100
78. Question
1 pointsCategory: Quantitative Aptitude2 men can do as much work in a day as done by 4 women in 1 day. 2/5th of work is completed by 20 men in 10 days working 6 hours each day. In how many days the same number of women working 4 hours each day will complete the remaining work?
Correct
Explanation:
4 w = 2m, so 1w = 1/2 m
And then 20 w = 10 m, so we have to find the number of days for 10 men to complete remaining work (1 – 2/5) = 3/5th.
M1*D1*H1*W2 = M2*D2*H2*W1
20*10*6*(3/5) = 10*D2*4*(2/5)
Solve, D2 = 45 daysIncorrect
Explanation:
4 w = 2m, so 1w = 1/2 m
And then 20 w = 10 m, so we have to find the number of days for 10 men to complete remaining work (1 – 2/5) = 3/5th.
M1*D1*H1*W2 = M2*D2*H2*W1
20*10*6*(3/5) = 10*D2*4*(2/5)
Solve, D2 = 45 days 
Question 79 of 100
79. Question
1 pointsCategory: Quantitative AptitudeIn a pack of 8 items, 2 items which costs Rs 21 and Rs 23 respectively are replaced by two new items. If the average cost of the pack increased by Rs 2, what is the average cost of the two new items added?
Correct
Explanation:
Average of 8 items increased by 2, this means the total cost of pack increased by 8*2 = 16 yrs
So sum of cost of two new items = 21+23+16 = 60
Average of these = 60/2Incorrect
Explanation:
Average of 8 items increased by 2, this means the total cost of pack increased by 8*2 = 16 yrs
So sum of cost of two new items = 21+23+16 = 60
Average of these = 60/2 
Question 80 of 100
80. Question
1 pointsCategory: Quantitative AptitudeA and B have their present ages in the ratio 5 : 3. Also A’s age 4 years ago and B’s 4 years hence is same. Find the ratio of A’s age 2 years hence to B’s age 2 years ago.
Correct
Explanation:
Let A’s present age = 5x, and B’s = 3x
A’s age 4 years ago to B’s age 4 years hence is same
So (5x4) = (3x+4)
Solve x = 4
So A’s present age = 20, and B’s = 12
Required ratio = (20+2) : (122)Incorrect
Explanation:
Let A’s present age = 5x, and B’s = 3x
A’s age 4 years ago to B’s age 4 years hence is same
So (5x4) = (3x+4)
Solve x = 4
So A’s present age = 20, and B’s = 12
Required ratio = (20+2) : (122) 
Question 81 of 100
81. Question
1 pointsCategory: Quantitative AptitudeA sum of money invested for 12 years yields Rs 1248 as simple interest. The interest rate is charged at 3% for first 3 years, 6% for next 4 years and 9% for last 5 years. What is the principal amount invested?
Correct
Explanation:
P = 1248*100/[r1*t1 + r2*t2 + r3*t3]
P = 1248*100/[3*3 + 6*4 + 9*5]Incorrect
Explanation:
P = 1248*100/[r1*t1 + r2*t2 + r3*t3]
P = 1248*100/[3*3 + 6*4 + 9*5] 
Question 82 of 100
82. Question
1 pointsCategory: Quantitative AptitudeA trader allows a discount of 30% on the market price of an article, and then also gains 40% on it. What is the profit % of the trader if the article is sold allowing no discount?
Correct
Explanation:
Let MP = Rs 100
30% discount so SP = Rs 70, then Discount = 30
Gain = 20%
CP = (100/140) * 70 = 50
No discount means SP = MP
So Profit% when no discount = [10050/50]*100Incorrect
Explanation:
Let MP = Rs 100
30% discount so SP = Rs 70, then Discount = 30
Gain = 20%
CP = (100/140) * 70 = 50
No discount means SP = MP
So Profit% when no discount = [10050/50]*100 
Question 83 of 100
83. Question
1 pointsCategory: Quantitative AptitudeA certain amount retrieved Rs 562.5 as simple interest when invested at the rate of 6% per annum for 5 years. Had the same amount be invested at 4% per annum compounded annually, what would be the compound interest obtained after 2 years.
Correct
Explanation:
562.5 = P*6*5/100
So principal = Rs 1875
CI = 1875 [(1 + 4/100)^2 – 1]
= 1875 [676/625 – 1]Incorrect
Explanation:
562.5 = P*6*5/100
So principal = Rs 1875
CI = 1875 [(1 + 4/100)^2 – 1]
= 1875 [676/625 – 1] 
Question 84 of 100
84. Question
1 pointsCategory: Quantitative AptitudeHow many 4 letter words with or without meaning can be formed from the letters of the word ‘REQUIRE’ with no letter repeating?
Correct
Explanation:
No letter should repeat, so REQUIRE has letters – R, E, Q, U, I
So we have to made 4 letter words from these 5 letters
These are: 5C4 * 4!Incorrect
Explanation:
No letter should repeat, so REQUIRE has letters – R, E, Q, U, I
So we have to made 4 letter words from these 5 letters
These are: 5C4 * 4! 
Question 85 of 100
85. Question
1 pointsCategory: Quantitative Aptitude1123.4 – 983.6 + 362.8 = ?
Correct
Explanation:
1123.4 – 983.6 + 362.8 = (1123.4 + 362.8) – 983.6Incorrect
Explanation:
1123.4 – 983.6 + 362.8 = (1123.4 + 362.8) – 983.6 
Question 86 of 100
86. Question
1 pointsCategory: Quantitative Aptitude√0.00005329 = ?
Correct
Incorrect

Question 87 of 100
87. Question
1 pointsCategory: Quantitative AptitudeWhat is the sum of opposite angles in a cyclic quadrilateral?
Correct
Incorrect

Question 88 of 100
88. Question
1 pointsCategory: Quantitative Aptitude525 × 525 + 487 × 487 – 2 × 525 × 487 = ?
Correct
Explanation:
Use a^2 + b^2 – 2ab = (ab)^2Incorrect
Explanation:
Use a^2 + b^2 – 2ab = (ab)^2 
Question 89 of 100
89. Question
1 pointsCategory: Quantitative AptitudeIf (1^2 + 2^2 + 3^2 + ….. + 10^2) = 385, then the value of (2^2 + 4^2 + 6^2 + ….. + 20^2) = ?
Correct
Explanation:
2^2 + 4^2 + 6^2 + ….. + 20^2 = (2*1)^2 + (2*2)^2 + (2*3)^2 + ….. + (2*10)^2
= 2^2 [1^2 + 2^2 + 3^2 + ….. + 10^2]
= 4 * 385Incorrect
Explanation:
2^2 + 4^2 + 6^2 + ….. + 20^2 = (2*1)^2 + (2*2)^2 + (2*3)^2 + ….. + (2*10)^2
= 2^2 [1^2 + 2^2 + 3^2 + ….. + 10^2]
= 4 * 385 
Question 90 of 100
90. Question
1 pointsCategory: Quantitative AptitudeWhat least value mist be assigned to *, so that the number 54237*8 is divisible by 8?
Correct
Explanation:
For a number to be divisible by 8, the last three digits should be divisible by 8, so
Start with 718 – not divisible by 8, now 728 divisible by 8 so * is 2Incorrect
Explanation:
For a number to be divisible by 8, the last three digits should be divisible by 8, so
Start with 718 – not divisible by 8, now 728 divisible by 8 so * is 2 
Question 91 of 100
91. Question
1 pointsCategory: Quantitative AptitudeThere are some cows and hens in a field. The total number of heads is 56 and total number of legs is 192. The number of cows is
Correct
Explanation:
Let x = cow, hen = y
So x + y = 56
And 4x + 2y = 192, so 2x + y = 96
Solve, both equations, x = 40Incorrect
Explanation:
Let x = cow, hen = y
So x + y = 56
And 4x + 2y = 192, so 2x + y = 96
Solve, both equations, x = 40 
Question 92 of 100
92. Question
1 pointsCategory: Quantitative AptitudeIn 2 years, the amount becomes thrice the sum invested on compound interest. In how many years will the amount become 81 times?
Correct
Explanation:
Given: 3P = P [1 + r/100]^2
Raise to power 4 both sides gives
[3P]^4 = {P [1 + r/100]^2}^4
81 = [1 + r/100]^8 – so 8 yearsIncorrect
Explanation:
Given: 3P = P [1 + r/100]^2
Raise to power 4 both sides gives
[3P]^4 = {P [1 + r/100]^2}^4
81 = [1 + r/100]^8 – so 8 years 
Question 93 of 100
93. Question
1 pointsCategory: Quantitative AptitudeThe area of a circle having diameter 14 m equals the area of rectangle. If the length of rectangle is 8 less than twice the breadth, what is the perimeter of rectangle?
Correct
Explanation:
Ar of rect. = (22/7) *7 * 7 = 154
So (2b8)*b = 154
So 2b^2 – 8b – 154 = 0
Or b^2 – 4b – 77 = 0
Solve, b = 11, so l = 2b8 = 14
So perimeter = 2(11+14)Incorrect
Explanation:
Ar of rect. = (22/7) *7 * 7 = 154
So (2b8)*b = 154
So 2b^2 – 8b – 154 = 0
Or b^2 – 4b – 77 = 0
Solve, b = 11, so l = 2b8 = 14
So perimeter = 2(11+14) 
Question 94 of 100
94. Question
1 pointsCategory: Quantitative AptitudeA person saves 16 2/3% from his salary of Rs 7800. How much did he spend?
Correct
Explanation:
16 2/3 = 50/3 saved, so (100 – 50/3)% spend = 250/3%
So spend money = (250/3)/100 * 7800 = 250*7800 / 300Incorrect
Explanation:
16 2/3 = 50/3 saved, so (100 – 50/3)% spend = 250/3%
So spend money = (250/3)/100 * 7800 = 250*7800 / 300 
Question 95 of 100
95. Question
1 pointsCategory: Quantitative AptitudeIf fiveseventh of a number is 9% of 500, the number is
Correct
Explanation:
(5/7) * x = (9/100)*500 = 45
x/7 = 9Incorrect
Explanation:
(5/7) * x = (9/100)*500 = 45
x/7 = 9 
Question 96 of 100
96. Question
1 pointsCategory: Quantitative AptitudeA train having length 400 m crossed a platform 200 m long in 20 minutes. In how much time will it cross a man sitting on the platform?
Correct
Explanation:
20 minutes = 20*60 = 1200 seconds
So speed of train = (400+200)/1200 = 0.5 m/s
So it will pass man in 400/0.5 = 800 secondsIncorrect
Explanation:
20 minutes = 20*60 = 1200 seconds
So speed of train = (400+200)/1200 = 0.5 m/s
So it will pass man in 400/0.5 = 800 seconds 
Question 97 of 100
97. Question
1 pointsCategory: Quantitative AptitudeTwo pipes A and B can fill a tank in 25 seconds and 75 seconds respectively. If both A and B and a third emptying pipe which empties the tank in 50 seconds are all opened, then in what time the tank will get filled?
Correct
Explanation:
(1/25 + 1/75) – 1/50Incorrect
Explanation:
(1/25 + 1/75) – 1/50 
Question 98 of 100
98. Question
1 pointsCategory: Quantitative AptitudeA man uses 1200 gm weight instead of 1 kg weight. What is his loss%?
Correct
Explanation:
(12001000)/1200 * 100 = 100/6Incorrect
Explanation:
(12001000)/1200 * 100 = 100/6 
Question 99 of 100
99. Question
1 pointsCategory: Quantitative AptitudeIf x/y = 4/3 then (x^2 + y^2)/ (x^2 – y^2) =
Correct
Explanation:
(x^2 + y^2)/ (x^2 – y^2)
take y^2 common
Gives ((x/y)^2 + 1)/ ((x/y)^2 – 1) = (16/9 + 1)/ (16/9 – 1)Incorrect
Explanation:
(x^2 + y^2)/ (x^2 – y^2)
take y^2 common
Gives ((x/y)^2 + 1)/ ((x/y)^2 – 1) = (16/9 + 1)/ (16/9 – 1) 
Question 100 of 100
100. Question
1 pointsCategory: Quantitative AptitudeThe average age of 3 children in a family is 25 years. If the age of their father if also added, they average gets increased by 7 years. What is the age of father?
Correct
Explanation:
Total age of children = 25*3 = 75
So (75+x)/4 = (25+7)
Solve, x = 53Incorrect
Explanation:
Total age of children = 25*3 = 75
So (75+x)/4 = (25+7)
Solve, x = 53