A and B can do a piece of work in 45 and 40 days repectively. They began the work together but A left after some days and B finished the remaining work in 23 days. A left after

A and B can do a piece of work in 45 and 40 days repectively. They beg

1.	A and B can do a piece of work in 45 and 40 days repectively. They began the work together but A left after some days and B finished the remaining work in 23 days. A left after
A.	6 days
B.	9 days
C.	12 days
D.	5 days
Answer» C. 12 days

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A and B can do a piece of work in 45 and 40 days repectively. They began the work together but A left after some days and B finished the remaining work in 23 days. A left after

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