Quantitative Aptitude Practice Test On - Time and Work - Part - 6

Time and Work Online Test Part - 6

Exam Name - Quantitative Aptitude
Subject Name - Time and Work
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1:A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:?

1. 4 days
2. 6 days
3. 8 days
4. 12 days

Show/Hide Answer

Answer = B - 6 days Explanation: No Explanation

Question - 2:Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but indepently, to do the same job? ?

1. 2x4/9
2. 4x4/9
3. 5x4/9
4. 4x2/9

Show/Hide Answer

Answer = A's 1 day's work = 1/8
B's 1 day's work = 1/10
(A+B)'s 1 day's work = (1/8 + 1/10)
= 9/40.
Both A and B will finish the work in = 40 / 9
‹=›4x4/9Explanation: No Explanation

Question - 3:4 men and 6 women finish a job in 8 days, while 3 men and 7 women finish it in 10 days. In how many days will 10 women working together finish it ? ?

1. 24
2. 32
3. 36
4. 40

Show/Hide Answer

Answer = D - 40 Explanation: No Explanation

Question - 4:A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in : ?

1. 8 days
2. 10 days
3. 12 days
4. 15 days

Show/Hide Answer

Answer = C - 12 days Explanation: No Explanation

Question - 5:A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work? ?

1. 10 days
2. 11 days
3. 20 days
4. 15 days

Show/Hide Answer

Answer = D - 15 daysExplanation: No Explanation

Question - 6:12 children take 16 days to complete a work which can be completed by 8 adults in 12 days. 16 adults started working and after 3 days 10 aduts left and 4 children joined them. How many days will it take them to complete the remaining work ?

1. 6
2. 8
3. 4
4. 3

Show/Hide Answer

Answer = A - 6 Explanation: No Explanation

Question - 7:A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work? ?

1. 18 days
2. 24 days
3. 30 days
4. 36 days

Show/Hide Answer

Answer = A - 18 days Explanation: No Explanation

Question - 8:A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is ?

1. 1/4
2. 1/10
3. 7/15
4. 8/15

Show/Hide Answer

Answer = D - 8/15
Explanation: No Explanation

Question - 9:a father can do a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, how many hours does it take the father to do the job ? ?

1. 1
2. 2
3. 3
4. 4

Show/Hide Answer

Answer = B - 2 Explanation: No Explanation

Question - 10:A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in : ?

1. 4 days
2. 6 days
3. 8 days
4. 18 days

Show/Hide Answer

Answer = A - 4 daysExplanation: No Explanation

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