Aptitude Test 1
by Team_FreshersBee ·
Aptitude Test
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Total number of questions : 20.
Time alloted : 30 minutes.
Each question carry 1 mark, no negative marks.
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Question 1 of 5
1. Question
Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is:
CorrectExplanation:
Let the speed of the slower train be x m/sec.
Then, speed of the faster train = 2x m/sec.
Relative speed = (x + 2x) m/sec = 3x m/sec
.’. (100 + 100) / 8 = 3x
=> 24x = 200
=> x = 25/3
So, speed of the faster train = 50/3 mps
(50/3)x(18/3) = 60 kmph.
IncorrectExplanation:
Let the speed of the slower train be x m/sec.
Then, speed of the faster train = 2x m/sec.
Relative speed = (x + 2x) m/sec = 3x m/sec
.’. (100 + 100) / 8 = 3x
=> 24x = 200
=> x = 25/3
So, speed of the faster train = 50/3 mps
(50/3)x(18/3) = 60 kmph.

Question 2 of 5
2. Question
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
CorrectExplanation:
1 woman’s 1 day’s work = 1/70
1 child’s 1 day’s work = 1/140
(5 women + 10 children)’s day’s work = (5/70) + (10/140) =1/7
.’. 5 women and 10 children will complete the work in 7 days.
IncorrectExplanation:
1 woman’s 1 day’s work = 1/70
1 child’s 1 day’s work = 1/140
(5 women + 10 children)’s day’s work = (5/70) + (10/140) =1/7
.’. 5 women and 10 children will complete the work in 7 days.

Question 3 of 5
3. Question
A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
Correct
Incorrect

Question 4 of 5
4. Question
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
CorrectExplanation ::
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.
Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
5x = 20
x = 4.
.’. Age of the youngest child = x = 4 years.
IncorrectExplanation ::
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.
Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
5x = 20
x = 4.
.’. Age of the youngest child = x = 4 years.

Question 5 of 5
5. Question
The average weight of 8 person’s increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
CorrectExplanation ::
Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg.
IncorrectExplanation ::
Total weight increased = (8 x 2.5) kg = 20 kg.
Weight of new person = (65 + 20) kg = 85 kg.