A can do a work in 45 days and B can complete the same work in 40 days. Both together...

A can complete a work in 20 days and B can complete the same work in 25 days . If both of them work together, in 3 days what per cant of the total work will be completed ?

A can do a piece of work in 4 days and B can complete the same work in 12 days . What is the number of days required to do the same work together ?

A can do a piece of work in 4 days and B can complete the same work in 12 days. What is the number of days required to do the same work together?

A alone can complete a work in 10 days and B alone can complete the same work in 20 days. In how many days both 4 and B together can complete half of the total work?

A alone can complete a work in 12 days and B alone can complete the same work in 24 days. In how many days can A and B together complete the same work?

A alone can complete a work in 6 days and B alone can complete the same work in 8 days. In how many days both A and B together can complete the same work?