If 6 men can do a piece of work in 30 days of 9 hours each, how many men will it take to do 10 times the amount of work if they work 25 days of 8 hours each ?
A gang of labours promise to do a piece of work in 10 days, but 5 out of them become absent. If the rest of the gang do the work in 12 days, find the original number of men.
X and Y can do a piece of work in 72 days. Y and Z can do it in 120 days. X and Z can do it in 90 days. In how many days all the three together can do the work?
8 men and 2 children can do a work in 9 days. A child takes double the time to do a work than the man. In how many days 12 men can complete double the work?
P is 3 times more efficient than Q, and is therefore able to complete a work in 60 days earlier. The number of days that P and Q together will take to complete the work is
A can do \[\frac{1}{2}\] work in 5 days. B can do \[\frac{3}{5}\] of same work in 9 days and C can do \[\frac{2}{3}\] of that work in 8 days. In how many days can three of them together do the work?
If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same work in 2 days, the time taken by 15 men and 20 boys to do the same type of work will be
A and B can do a piece of work in 40 days. After working for 10 days they are assisted by 'C' and work is finished in 20 days more. If 'C? does as much work as B does in 3 days, in how many days A alone can do the work.
12 men can complete a piece of work in 36 days. 18 women can complete the same piece of work in 60 days. 8 men and 20 women work together for 20 days. If only women were to complete the remaining piece of work in 4 days, how many women would be required?
The work done by man, a woman and a boy are in the ratio 3 : 2 : 1. There are 24 men, 20 women and 16 boys in a factory whose weekly wages amount to Rs. 224. What will be the yearly wages of 27 men, 40 women and 15 boys?