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Question 1 of 10
1. Question
1 pointsCategory: Quantitative AptitudeThe population of a town is 3,11,250. The ratio of women to men is 43:40. If there are 24% literate among women and 10% illiterate among men. Find the total number of literate persons in the town?
Correct
Answer – 2) 1, 73, 700
Explanation:
Population of town= 3, 11, 250
Number of women in town= (311250 / (43 + 40)) * 43
= 161250
Number of literate women= 161250 * (24/100)
= 38700
Number of men in town= (311250 / (43 + 40)) * 40
= 150000
Number of literate men in town= 150000 * ((100 – 10) / 100)
= 135000
Total literate persons in town= 38700 + 135000
= 173700Incorrect
Answer – 2) 1, 73, 700
Explanation:
Population of town= 3, 11, 250
Number of women in town= (311250 / (43 + 40)) * 43
= 161250
Number of literate women= 161250 * (24/100)
= 38700
Number of men in town= (311250 / (43 + 40)) * 40
= 150000
Number of literate men in town= 150000 * ((100 – 10) / 100)
= 135000
Total literate persons in town= 38700 + 135000
= 173700 
Question 2 of 10
2. Question
1 pointsCategory: Quantitative AptitudeDiameter of a wheel is 3 meter. The wheel revolves 28 times in a minute. To cover 5.280 Km distance, the wheel will take how much time?
Correct
Answer – 2) 20 minutes
Explanation:
Diameter of the wheel= 3m
Circumference= ∏ * diameter
= (22/7) * 3
= 66/7
Since a wheel covers a distance equal to its circumference in one revolution therefore distance covered in 28 revolutions= 28 * (66/7)
= 264m
264 meters covered= 1 minute
1 meter covered= (1/264) minute
5280 meters covered= (5280 / 264)
= 20 minutesIncorrect
Answer – 2) 20 minutes
Explanation:
Diameter of the wheel= 3m
Circumference= ∏ * diameter
= (22/7) * 3
= 66/7
Since a wheel covers a distance equal to its circumference in one revolution therefore distance covered in 28 revolutions= 28 * (66/7)
= 264m
264 meters covered= 1 minute
1 meter covered= (1/264) minute
5280 meters covered= (5280 / 264)
= 20 minutes 
Question 3 of 10
3. Question
1 pointsCategory: Quantitative AptitudeA man and a boy can complete a work together in 24 days. If for the last six days boy alone does the work then it is completed in 28 days. How long the man will take to complete the work alone?
Correct
Answer – 4) 36 days
Explanation:
According to questions
1M + 1B complete the work in 24 days.
Last 6 days boy alone does work. They worked together for 22 days (Because the whole work complete in 28 days).
Assume total work= 24 units
(1M + 1B) per day work= 1 unit
1M + 1B do the work in 22 days= 22 units work
Rest work= 24 – 22 units= 2 units
Rest work done by Boy in 6 days.
Hence, per day work of boy= 2/6
= 1/3 unit per day
Man per day work= 1 1/3
= 2/3
Man alone can do work= Total Work/ Efficiency of man
= (24/2) * 3
= 12 * 3
= 36 daysIncorrect
Answer – 4) 36 days
Explanation:
According to questions
1M + 1B complete the work in 24 days.
Last 6 days boy alone does work. They worked together for 22 days (Because the whole work complete in 28 days).
Assume total work= 24 units
(1M + 1B) per day work= 1 unit
1M + 1B do the work in 22 days= 22 units work
Rest work= 24 – 22 units= 2 units
Rest work done by Boy in 6 days.
Hence, per day work of boy= 2/6
= 1/3 unit per day
Man per day work= 1 1/3
= 2/3
Man alone can do work= Total Work/ Efficiency of man
= (24/2) * 3
= 12 * 3
= 36 days 
Question 4 of 10
4. Question
1 pointsCategory: Quantitative AptitudeA man covers 9/20 by bus and the remaining 10 Km on foot. Find his total journey (in Km)?
Correct
Answer – 5) 18.18
Explanation:
Man covers 9/20 of the journey by bus
= Remaining Journey= 1 – (9/20)
= 11/20
According to question,
11/20 of the journey= (20/11) * 10
= 18.18 KmIncorrect
Answer – 5) 18.18
Explanation:
Man covers 9/20 of the journey by bus
= Remaining Journey= 1 – (9/20)
= 11/20
According to question,
11/20 of the journey= (20/11) * 10
= 18.18 Km 
Question 5 of 10
5. Question
1 pointsCategory: Quantitative AptitudeA bag contains 75 balls out of which at least 15 balls are red. If three balls are picked at random from the bag, what is the probability that one of the balls is not red?
I. Only 35 balls in the bag are blue.
II. When a ball is picked at random from the bag, the probability of the ball being white is 1/5.
III. When two balls are picked at random from the bag, the probability of both the ball being green is 12/925.Correct
Answer – 5) All three statements together are not sufficient to answer the question.
Explanation:From I
We know about 15 + 35= 50 balls
But we do not know the color of remaining 25 ballsFrom II
When a ball is picked at random from the bag, the probability of the ball being white= 1/5
=15/75
So, the number of white balls= 15
Using I and II
We know about 15 + 35 + 15= 65 balls
But still we do not know the color of remaining 10 ballsFrom III
When two balls are picked at random from the bag, the probability of both the ball being green = 12/925
^{n}C_{2} / ^{75}C_{2} = 12/925
Where n is number of green balls
N(n1) / (75 * 74) = 12/925
N=9
Using I and III or II and III or all I, II and III together we cannot determine the exact number of red balls in the bag.Incorrect
Answer – 5) All three statements together are not sufficient to answer the question.
Explanation:From I
We know about 15 + 35= 50 balls
But we do not know the color of remaining 25 ballsFrom II
When a ball is picked at random from the bag, the probability of the ball being white= 1/5
=15/75
So, the number of white balls= 15
Using I and II
We know about 15 + 35 + 15= 65 balls
But still we do not know the color of remaining 10 ballsFrom III
When two balls are picked at random from the bag, the probability of both the ball being green = 12/925
^{n}C_{2} / ^{75}C_{2} = 12/925
Where n is number of green balls
N(n1) / (75 * 74) = 12/925
N=9
Using I and III or II and III or all I, II and III together we cannot determine the exact number of red balls in the bag. 
Question 6 of 10
6. Question
1 pointsCategory: Quantitative AptitudeStudy the following table carefully to answer the following questions
Percentage of the students studying various disciplines in the university
How many male students are studying Sociology and commerce together?
Correct
Answer – 3) 872
Explanation
Male students in Sociology and Commerce
=[ 4800 x 24/100 x 3/8 ] + [ 4800 x 22/100 x 5/12 ]
=432 + 440
=872Incorrect
Answer – 3) 872
Explanation
Male students in Sociology and Commerce
=[ 4800 x 24/100 x 3/8 ] + [ 4800 x 22/100 x 5/12 ]
=432 + 440
=872 
Question 7 of 10
7. Question
1 pointsCategory: Quantitative AptitudeStudy the following table carefully to answer the following questions
Percentage of the students studying various disciplines in the university
What is the ratio between the number of female students Management and Computer respectively?
Correct
Answer – 4) 16:27
Explanation
Req.Ratio = 4800 x 12/100 x 3/9 : 4800 x 18/100 x 3/8
=4 : 27/4
=16: 27Incorrect
Answer – 4) 16:27
Explanation
Req.Ratio = 4800 x 12/100 x 3/9 : 4800 x 18/100 x 3/8
=4 : 27/4
=16: 27 
Question 8 of 10
8. Question
1 pointsCategory: Quantitative AptitudeStudy the following table carefully to answer the following questions
Percentage of the students studying various disciplines in the university
What is the total number of female students studying Commerce, English and Engineering together ?
Correct
Answer – 5) 1000
Explanation
Female students in Commerce , English and Engineering
= 4800 x 22/100 x 7/12 + 4800 x 7/100 x 4/7 + 4800 x 9/100 x 4/9
= 616 + 192 + 192
=1000Incorrect
Answer – 5) 1000
Explanation
Female students in Commerce , English and Engineering
= 4800 x 22/100 x 7/12 + 4800 x 7/100 x 4/7 + 4800 x 9/100 x 4/9
= 616 + 192 + 192
=1000 
Question 9 of 10
9. Question
1 pointsCategory: Quantitative AptitudeStudy the following table carefully to answer the following questions
Percentage of the students studying various disciplines in the university
What is the difference between the male students studying Sociology and Female students studying Anthropology ?
Correct
Answer – 2) 176
Explanation
Req.difference = [4800 x 24/100 x 3/8] – [4800 x 8/100 x 2/3 ]
=432 – 256
=176Incorrect
Answer – 2) 176
Explanation
Req.difference = [4800 x 24/100 x 3/8] – [4800 x 8/100 x 2/3 ]
=432 – 256
=176 
Question 10 of 10
10. Question
1 pointsCategory: Quantitative Aptitude√3844 x √2116 51^{2} – √121 = √(?) + 15^{2} – √25
Correct
Answer – 3) 400
Explanation
= √3844 x √2116 512 – √121 = √(?) + 152 – √25
= 62 x 46 – 2601 – 11 225 +5
= 20Incorrect
Answer – 3) 400
Explanation
= √3844 x √2116 512 – √121 = √(?) + 152 – √25
= 62 x 46 – 2601 – 11 225 +5
= 20
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