MCQs of Time and work - Quantitative Aptitude

A can complete a work in 10 days, B in 12 days & C in 15 days. All of them began working together. But A left after 2 days of work and B 3 days before completion of the work. How long did the work last?

A can do a piece of work in 4 hours . A and C together can do it in just 2 hours, while B and C together need 3 hours to finish the same work. B alone can complete the work in --- hours.

A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

If 12 men or 16 women can do a work in 172 days, how long will 21 men and 15 women to do the same work?

If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?

If a father or his two daughters or his three kids can finish a work in 88 days, then how many days will a man, a daughter and a kid together take to finish the same work?

P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they complete the job in 4 days. How much days does it take for R alone to complete the work?

P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?

Total wages of 6 men, 4 women and 8 boys is Rs. 26. If the wages of 6 men is equal to that of 8 women and the wages of 4 women is equal to that of 6 boys, then find out the total wages of 8 men, 6 women and 4 boys?

Two employees X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?