If A and B can together finish a work in 30 days. They worked together – McqOptions

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1.	If A and B can together finish a work in 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 job?
A.	54
B.	40
C.	60
D.	50
Answer» D. 50

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