A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B together can do the work?

A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10

1.	A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B together can do the work?
A.	9 3/8
B.	10 3/8
C.	11 3/8
D.	12 3/8
Answer» B. 10 3/8

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A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B together can do the work?

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