X can do a piece of work in 4 days. Y can do it in 5 days. With the assistance of Z they completed the work in 2 days. Find in how many days can Z alone do it?

Ques:- X can do a piece of work in 4 days. Y can do it in 5 days. With the assistance of Z they completed the work in 2 days. Find in how many days can Z alone do it?

0 7325