A and B can do a peice of work in 45 days and 40 days respectively the – McqOptions

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1.	A and B can do a peice of work in 45 days and 40 days respectively they began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was ?
A.	6
B.	9
C.	12
D.	8
Answer» C. 12

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