A and B together finish a wor in 20 days.They worked together for 15 days and then B left. Afer another 10 days,A finished the remaining work. In how many days A alone Â can finish the job?

A and B together finish a wor in 20 days.They worked together for 15 d

1.	A and B together finish a wor in 20 days.They worked together for 15 days and then B left. Afer another 10 days,A finished the remaining work. In how many days A alone Â can finish the job?
A.	30
B.	40
C.	50
D.	60
Answer» C. 50

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A and B together finish a wor in 20 days.They worked together for 15 days and then B left. Afer another 10 days,A finished the remaining work. In how many days A alone Â can finish the job?

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