S1 can do a piece of work alone in 9 days, S2 can do the same work alone in 18 days, while S3 can do it alone in 27 days. They work together and complete the work, and receive a total of ₹ 726 as payment for doing the work. What is the combined share of S2 and S3, taken together from the above amount?

A and B together can complete a piece of work in 3 days. They start together. But, after 2 days, B left the work, if the work is completed after 2 next days. B alone could do the work in

A work could be completed in 100 days by some workers. How- ever, due to the absence of 10 workers, it was completed in 110 days. The original number of workers was:

A certain number of men can do a work in 60 days. If there were eight more men, it could be completed in 10 days less. How many men were there in the beginning?

12 persons can do a piece of work in 4 days. How many persons are required to complete 8 times the work in half the time?

10 men working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days?