A and B together can do a piece of work in 40 days and A alone can do it in 60 days. B alone can do the work in how many days?

A and B together can do a piece of work in 40 days and A alone c

1.	A and B together can do a piece of work in 40 days and A alone can do it in 60 days. B alone can do the work in how many days?
A.	80
B.	90
C.	120
D.	75
Answer» D. 75

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​​A and B together can do a piece of work in 40 days and A alone can do it in 60 days. B alone can do the work in how many days?

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A and B together can do a piece of work in 40 days and A alone can do it in 60 days. B alone can do the work in how many days?