A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?
A). 45/2 days
B). 55 days
C). 65/2 days
D). 75/2 days
A and B can do a piece of work in 7 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?
A). 1 day
B). 10 days
C). 30 days
D). 32 days
A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
A). 18
B). 20
C). 22
D). 24
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 had to leave and A alone completed the remaining work. The whole work was compl
A). 8 days
B). 10 days
C). 12 days
D). 15 days
A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?
A). 40 days
B). 23 days
C). 35 days
D). 42 days