A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?

A is 60% more efficient than B. In how many days will A and B working

1.	A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?
A.	124/13
B.	113/13
C.	108/13
D.	131/13
E.	120/13
Answer» F.

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A is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?

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