Important Time and Work MCQs with Answers for all classes exams and Mathematics test preparation online.

## Time and Work MCQs

**A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in ___?**

A. 4 days

B. 6 days**C. 8 days**

D. 12 days

**A can do a certain work-in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in ____?**

A. 15 days

B. 20 days**C. 25 days**

D. 30 days

**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 _____?**

A. 8 days

B. 10 days**C. 12 days**

D. 15 days

**A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?**

A. 80 days

B. 100 days**C. 120 days**

D. 150 days

**Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman ?**

A. 3 : 4**B. 4 : 3**

C. 5 : 3

D. Data inadequate

**X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last ?**

A. 6 days**B. 10 days**

C. 15 days

D. 20 days

**A and B together can complete a work in 1.2 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 ?**

A. 10 days

B. 11 days**C. 15 days**

D. 20 days

**A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every Third day ?**

A. 12 days

B. 15 days**C. 16 days**

D. 18 days

**A and B together take 6 days to complete a task. B and C together take 12 days to complete the same task. A and C together take 8 days to complete it. If A, B and C are working together, how long does it take for them to complete the task?**

A. 4(2/3) days

B. 4 days**C. 5(1/3) days**

D. 1(1/3) days

**B can work 3 times faster than A. They work together on a task and complete it in a day. How long does it take for B alone to complete the task?**

**A. 32 hours**

B. 48 hours

C. 3 days

D. 4 days