A and B together can finish a piece of work in 12 days. If 'A' alone can finish the same work in 20 days, how many days B alone can finish it ?

36 men can do a piece of work in 12 days. In how many days 9 men can do the same work?

Formulate the following problems as a pair of equations and then find their solutions. 4 men and 6 women can finish a piece of work in 21 days while 10 men and 3 women can finish it in 14 days. Find the time taken by one man along and that by one woman along to finish the work.

A take 5 days less than the time taken by B to finish a piece of work. If both A and B together can finish it in 6 days, find the time taken by B to finist the work.

Formulate the following problem as a pair of equations and then find their solutions. 2 women and 5 men can together finish an embroidery work in 4 days while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 women alone and 1 man alone to finish the work.

24 workers working 6 hours a day can finish a piece of work in 14 days.if each worker works 7 hours a day, find the number of workers to finish the same piece of work in 8 days.

24 men working at 8 hours per day can do a piece of work in 15 days. In how many days can 20 men working at 9 hours per day can complete the same work?

Deepak can paint 2/5 of a house in one day. If he continues working at this rate, then how many days will he take to paint the whole house?

Ravi can paint (3)/(7) of a house in one day. If he continues working at this rate, how many days will he take to paint the whole house?