Satish is 50% more efficient than Charan. They together
start the work and `7/12` th of work is left after 8 days. Find in
what time Charan alone will complete the whole work.

A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is

Time taken by A to complete a work is 7 days more than the time taken by B to complete the same work. Working together they can complete the work in 12 days. In what time can A alone complete the work ?

Anand is 50% more efficient than Bharath and Bharath is 100% more efficient that Chandu. Working together, they can complete a work in 10 days. In how many days can Anand alone do the work?

P can complete a task in 15 days Q is 50% more efficient then P. Both P and Q started working together on the task and after few day Q lift task and P finished the remaining 1/3of the given work. For how many days P and Q worled together.