A can do a piece of work in 15 days and B in 20 days. How much time will they take to complete the work if they work on alternate days, starting with A ?

A can do a piece of work in 15 days and B in 20 days. How much time

1.	A can do a piece of work in 15 days and B in 20 days. How much time will they take to complete the work if they work on alternate days, starting with A ?
A.	15
B.	16
C.	17
D.	18
Answer» D. 18

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A can do a piece of work in 15 days and B in 20 days. How much time will they take to complete the work if they work on alternate days, starting with A ?

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