A and B together can do a piece of work in 8 days, B and C together in 10 days, while C and A together in 6 days, if the…

P is thrice as good a workman as Q and therefore able to finish a job in 48 days less than Q. Working together, they can…

If A and B together can complete a work in 18 days, A and C together in 12 days, and B and C together in 9 days, then B …

To complete a piece of work A and B take 8 days, B and C 12 days. A, B and C take 6 days. A and C will take :

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…

Two pipes, P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 m…

639 persons can repair a road in 12 days working 5 hours a day. In how many days will 30 persons working 6 hours a day c…

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they…