A, B and C can separately do a work in 12, 15 and 20 days respectively. They started to work together but C left after 2…

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B…

5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it…

If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall o…

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 :

There is a group of 5 boys and 2 girls. The two groups working together can do four times as much work as a boy and a gi…

A can do a certain job in 12 days and B is 60% more efficient than A. The B can do the same piece of work in ?

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