A, B and C can complete a piece of work in 10, 20 and 60 days respectively. Working together, they can complete the same work in how many days?

A, B and C can complete a piece of work in 10, 20 and 60 days respecti

1.	A, B and C can complete a piece of work in 10, 20 and 60 days respectively. Working together, they can complete the same work in how many days?
A.	5
B.	6
C.	10
D.	8
Answer» C. 10

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A, B and C can complete a piece of work in 10, 20 and 60 days respectively. Working together, they can complete the same work in how many days?

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