Explore topic-wise MCQs in Time & Work.

A can do a work in 24 days and B can complete the same work in 12 days. In how many days the work will be completed if both work together?

Working together, A and B can do a job in 6 days. B and C can do the same job in 10 days, while C and A can do it in 7.5 days. How long will it take if all A, B and C work together to complete the job?

A can do a work in 45 days and B can complete the same work in 36 days. In how many days the work will be completed if both work together?

A can do a work in 30 days and B can complete the same work in 45 days. In how many days the work will be completed if both work together?

A completes 60% of a task in 15 days and then takes the help of B and C. B is 50% as efficient as A is and C is 50% as efficient as B is. In how many more days will they complete the work?

Pooja is twice as efficient as Aarti and takes 90 days less than Aarti to complete the job. Find the time in which they can finish the job together.

Reema can complete a piece of work in 12 days while Seema can the same work in 18 days. If they both work together, then how many days will be required to finish the work?

A can do a piece of work in 10 days, and B can do the same work in 20 days. With the help of C, they finished the work in 4 days. C can do the work in how many days, working alone?

Rindia can do a job in 10 days. Rakesh can do the same job in 5 days. In how many days they can complite the job if they work together?

In the beginning, Ram works at a rate such that he can finish a piece of work in 24 hrs, but he only works at this rate for 16 hrs. After that, he works at a rate such that he can do the whole work in 18 hrs. If Ram is to finish this work at a stretch, how many hours will he take to finish this work?