A and B can do a piece of work in 45 days and 40 days respectively. They began to the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days which A left the work was? - Study24x7
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15 Mar 2019 09:59 AM study24x7 study24x7

A and B can do a piece of work in 45 days and 40 days respectively. They began to the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days which A left the work was?

A

8

B

6

C

9

D

12

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