X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

X can do a piece of work in 40 days. He works at it for 8 days and the

1.	X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?
A.	13 1/3 days
B.	15 days
C.	20 days
D.	26 days
Answer» B. 15 days

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X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

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