A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. In how many days C…

Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them wor…

If 10 men or 20 boys can make 260 mats in 20 days, then how many mats will be made by 8 men and 4 boys in 20 days?

A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is comp…

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they…

5 men and 2 women working together can do four times as much work per hour as a men and a women together. The work done …

An engineer undertakes a project to build a road 15 km long in 300 days and employs 45 men for the purpose. After 100 da…

A is thrice as good a workman as B and so takes 60 days less than B for doing a job. The time in which they can do the j…