A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one-third of the…

A completes $$\frac{7}{{10}}$$ of the work 15 days. Then he completes the remaining work the help of B in 4 days. The t…

A can finish a piece of work in 18 days and B can do the same work in half of the time taken by A. Then working together…

A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same…

Two pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened…

Working efficiencies of P and Q for completing a piece of work are in the ratio 3 : 4. The number of days to be taken by…

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they…

Two men can do a piece of work in x days. But y women can do that in 3 days. Then the ratio of the work done by 1 man an…