If 10 persons can do a job in 20 days, then 20 person with twice the efficiency can do the same job in:

If A, B and C can complete a piece of work in 6 days. If A can work twice faster than B and thrice faster then C, than t…

Three men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone an…

If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man, 1 wo…

A takes 10 days less than the time taken by B to finish a piece of work. If both A and B can do it in 12 days, then the …

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in …

An employee pays Rs. 26 for each day a worker and forfeits Rs. 7 for each day he idle. At the end of 56 days, if the wor…

16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 …