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…

X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If complete work was finished in 16 da…

A and B working separately can do a piece of work in 9 and 15 days respectively. If they work for a day alternately, wit…

A boy and a girl together fill a cistern with water. The boy pours 4 liters of water every 3 minutes and girl pours 3 li…

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…

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…

Two pipes A and B can fill a cistern in 12 min and 16 min respectively. Both the pipes are opened together for a certai…

A pipe can fill a tank in 0.9 hours and another pipe can empty in 0.7 hours. If tank is completely filled and both pipes…