A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively…

A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes,…

3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work ?

16 men can finish a piece of work in 49 days. 14 men started working and 8 days they could finish certain amount of work…

Rosa can eat 32 rosogollas in one hour. Her sister Lila needs three hours to eat the same number. How much time will the…

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help o…

X takes 4 days to complete one-third of a job. Y takes 3 days to complete one-sixth of the job and Z takes 5 days to com…

X, Y and Z complete a work in 6 days. X or Y alone can do the same work in 16 days. In how many days Z alone can finish …