Time and Work Aptitude Questions and Answers

This section focuses on "Time and Work" in Quantitative Aptitude. These Multiple Choice Questions (mcq) should be practiced to improve the Quantitative Aptitude skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. 6 boys and 5girls can do a job in 8 days. When 7 boys and 10 girls work on the same job, the work gets completed in 5 days. How many days will a boy take to do the job, if he works alone on it?

A. 25
B. 50
C. 75
D. 100

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2. X does half as much work as Yand Z does half as much work as X and Y together. If Z alone can finish the work in 120 days, then together ,all will finish the work in ?

A. 20
B. 30
C. 40
D. 50

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3. P,Q, & R can complete a piece of job together in 20 days. All the 3 started working at it together and after 8 days P left. Then Q & R together completed a job in 20 more days. P alone could complete the work in.

A. 60
B. 50
C. 40
D. 30

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4. M do a piece of work in 45 days and N can finish it in 40 days. They work together for 5 days and then M leaves. In how many days will N finish the remaining work?

A. 30 and 5/9 days.
B. 30 and 7/9 days.
C. 30 and 4/9 days.
D. 30 and 8/9 days.

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5. Arfath is thrice as good workman as deekshith and together they finish a piece of work in 27 days. In how many days will arfath alone finish the work?

A. 3
B. 6
C. 9
D. 12

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6. Adam and Smith are working on a project. Adam takes 18 hrs to type 108 pages on a computer, while Smith takes 15 hrs to type 120 pages. How much time will they take, working together on two different computers to type a project of 360 pages?

A. 23 hrs 24 min
B. 45 hrs 42 min
C. 25 hrs 42 min
D. 42 hrs 45 min

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7. 90 persons can complete a job in 32 days. 12 days after they started working, 60 more persons joined them. How many days will they now take to complete the remaining work?

A. 10
B. 12
C. 14
D. 16

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8. X,Y and Z can do a certain job in 72,108 and 144 days respectively. They started the job but X left 16 days before the completion of the job while Y left 24 days before the completion. The number of days for which Z worked is

A. 12 days
B. 24 days
C. 36 days
D. 48 days

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9. Karthik is 2 times as good workman as Raghu and together they complete a piece of work in 42 days. The number of days taken by Karthik alone to finish the work is.

A. 55 days
B. 60 days
C. 63 days
D. 67 days

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10. Vinay can do a work in 28 days. Vikram is 75% more efficient than vinay. The number of days taken by vikram to do the same piece of work.

A. 12 days
B. 14 days
C. 16 days
D. 18 days

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