X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work ? `13 1/3\ d a y s` b. `15\ d a y s` c. `20\ d a y s` d. `56\ d a y s`

X can do a piece of work in 40 days. He works it for 8 days and then Y finished it in 16 days How long will they together take to complete the work?

A can do a piece of work in 20 days and B in 15 days. They worked together on it for 6 days and then A left. How long will B take to finish the remaining work ?

A does 4/5 of a work in 20 days. He then calls B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work ? a. 23 d a y s b. 37 d a y s c. 37 1/2 d a y s d. 40 d a y s

8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work? 10 d a y s b. 12 d a y s c. 14 d a y s d. 16 d a y s e. none of these

A man and a boy can do a piece of work in 24 days. If the man works alone for the last 6 days, it is completed in 26 days. How long would the boy take to do it alone? a. 20 days b. 24 d a y s c. 36 d a y s d. 72 d a y s

X and Y can do a piece of work in 30 days. They work together for 6 days and thenX quits and Y finishes the work in 32 days . In how many days can Y do the piece of work alone ?