A can finish a work in 20 days and B can do the same work in half the time taken by A. then working together, what part of the same work they can finish in a day?

A can finish a work in 20 days and B can do the same work in half t

1.	A can finish a work in 20 days and B can do the same work in half the time taken by A. then working together, what part of the same work they can finish in a day?
A.	3/20
B.	1/20
C.	3/20
D.	1/10
Answer» B. 1/20

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A can finish a work in 20 days and B can do the same work in half the time taken by A. then working together, what part of the same work they can finish in a day?

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