If A and B can do a piece of work in 10 days and 15 days respectively, then the part of work they can do together in 3 days is?

If A and B can do a piece of work in 10 days and 15 days respectively,

1.	If A and B can do a piece of work in 10 days and 15 days respectively, then the part of work they can do together in 3 days is?
A.	1/2
B.	1
C.	1/6
D.	1/3
Answer» B. 1

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If A and B can do a piece of work in 10 days and 15 days respectively, then the part of work they can do together in 3 days is?

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