A job can be done by 3 skilled workmen in 20 days or by 5 boys in 30 days. How many days will they take if they work tog…

One man or two women or three boys can do a piece of work in 88 days. One man, one woman and one boy will do it in ?

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

Three pipes A,B and C attached to a cistern. A can fill it in 10 min, B in 15 min, C is a waste pipe for emptying it. Af…

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…

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working …

A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one per…

Two worker A and B are engaged to do a piece of work. A working alone would take 8 hours more to complete the work that …