8 men working for 9 hours a day complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?

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, B and C together earn Rs. 2700 in 18 days. A and C together earn Rs. 940 in 10 days. B and C together earn Rs. 1520 in 20 days. Find the daily earning of C.

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

A, B , C can finish a work in 10, 12, and 15 days respectively. They start working together. If B stops after 2 days, how long would it take A and C to finish the remaining work

If the work done by (x-1) men in (x+1) days and the work done by (x+2) men in (x-1) days is in the ratio of 9 : 10, then x is equal to

5 men and 5 women earn Rs.600 in 3 days. 10 men and 20 women earn Rs. 3500 in 5 days. In how many days can 6 men and 4 women earn Rs. 1060?

A completes of work in 15 days, then he completes the remaining work with the help of B in 4 days. The time required for A and B together to complete the entire work is