A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same…

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

Two spinning machines A and B can together produce 300000 metres of cloth in 10 hours. If machine B alone can produce th…

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many…

P, Q and R are three typists who working simultaneously can type 216 pages in 4 hours. In one hour, R can type as many p…

45 men can complete a piece of work in 16 days. Four days they started working , 36 more men joined them. How many days …

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 …

While working 7 hour a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would the…