8 men can do a piece of work in 9 days. In how many days will 6 men do it?

A and B can do a piece of work in 6 days and 4 days respectively. A started the work, worked at it for 2 days and then was joined by B. Find the total time taken to complete the work.

6 men can complete the electric fitting in a building in 7 days. How many days will it take if 21 men do the job?

Reema weaves 35 baskets in 25 days. In how many days will she weave 55 baskets?

Neha types 75 pages in 14 hours. How many pages will she type in 20 hours?