Two men can do a piece of work in 6 hours and 4 hours respectively. After the first has worked for 2 hours, he is joined by the other. By when should the work be completed?

If 36 men can do a piece of working 25 hours in how many hours will 15 men do it?

8 men can finish a piece of work in 15 hours.In how many hours can 20 men finish it?

A can do 50% more work than B in the same time. B alone can do a piece of work in 30 hours. B starts working and had already worked for 12 hours when A joins him. How many hours should B and A work together to complete the remaining work ?

6 women can complete a work in 46 hours. In how many hours will 23 women complete that work?

If a man cando a piece of work in 8 hours and a women can do the same work in 12 hours, then find the time it takes for 2 men and 3 women to finish the same work.

If a man cando a piece of work in 8 hours and a women can do the same work in 12 hours, then find the time it takes for 2 men and 3 women to finish the same work.

Anuradha can do a piece of work in 6 hours. What part of the work can she do in 1 hour, in 5 hours, in 6 hours?