If A can do a piece of work in 10 days then part of work done by him i

1.	If A can do a piece of work in 10 days then part of work done by him in one day.
A.	2?5
B.	3?8
C.	1?10
D.	3?7
Answer» D. 3?7

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If A can do a piece of work in 10 days then part of work done by him in one day.

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