A and B can do a piece of work in 60 days and 40 days respectively. They started the work together but after some days, A left the work. B alone did the remaining work in 20 days. Find after how many

A and B can do a piece of work in 60 days and 40 days respectively.

1.	A and B can do a piece of work in 60 days and 40 days respectively. They started the work together but after some days, A left the work. B alone did the remaining work in 20 days. Find after how many
A.	10 days
B.	12 days
C.	14 days
D.	16 days
Answer» C. 14 days

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A and B can do a piece of work in 60 days and 40 days respectively. They started the work together but after some days, A left the work. B alone did the remaining work in 20 days. Find after how many

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