The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is t…

Two persons having different productivity of labour, working together can reap a field in 2 days. If one-third of the fi…

x does $$\frac{1}{4}$$ of a job in 6 days. y completes rest of the job in 12 days. Then x and y could complete the job …

A can complete a certain work in 4 minutes, B in 5 minutes, C in 6 minutes, D in 10 minutes and E in 12 minutes. The ave…

A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone ta…

A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish this work ?

A contractor undertook to finish a work in 92 days and employed 110 men. After 48 days, he found that he had already don…

A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is comp…