A can do a piece of work in 20 days. He worked for 5 days and B finished the remaining work in 42 days. B alone can do the whole work in how many days?

A can do a piece of work in 20 days. He worked for 5 days and B finish

1.	A can do a piece of work in 20 days. He worked for 5 days and B finished the remaining work in 42 days. B alone can do the whole work in how many days?
A.	56
B.	52
C.	46
D.	64
E.	48
Answer» B. 52

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A can do a piece of work in 20 days. He worked for 5 days and B finished the remaining work in 42 days. B alone can do the whole work in how many days?

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