10 men can complete a work in 7 days and 10 women take 14 days to complete the work. How many days will 5 men and 10 women take to complete the work?

A can complete a task in 3 days. B is half as efficient as A. If both of them work together, how many days would they take to complete the same task?

Rohan is three times better as workman as Mohan and hence completes a job 40 days faster than him. How many days would they take to do the same job, together?

Harry can do a work in 15 days and Peter in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

4 boys and 6 girls complete a task in 8 days, whereas 3 boys and 7 girls complete the same task in 10 days. How many days will 80 girls take to complete the same task?

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. How many days will they together take to complete the work?

Ajay does four-fifths of a work in 40 days. He then calls in Vijay and they together finish the remaining work in 6 days. How many days would Vijay alone take to do the whole work?

If 6 men and 8 women can do a piece of work in 10 days while 26 men and 48 women do the same in 2 days, the number of days taken by 3 men and 4 women in doing the same work will be:

A and B are working on an assignment. A takes 6 hours to type 32 pages, while B takes 5 hours to type 40 pages. How many hours will they take, working together to type an assignment of 40 pages?

Amit and Vinith can together finish a work 30 days. They worked together for 20 days and then Vinith left. After another 20 days, Amit finished the remaining work. In how many days Amit alone can finish the work?