A can do a piece of work in 30 days and B can do the same work in 18 days. B starts the work and continues for 6 days alone then A joins him. Find in how much time the remaining work gets completed both working together.

A can do a piece of work in 30 days and B can do the same work in 18 d

1.	A can do a piece of work in 30 days and B can do the same work in 18 days. B starts the work and continues for 6 days alone then A joins him. Find in how much time the remaining work gets completed both working together.
A.	$$ {7{1 over 3}}$$
B.	$$ {7{1 over 4}}$$
C.	7$$ {7{1 over 2}}$$
D.	$$ {7{1 over 2}}$$
E.	None of these
Answer» E. None of these

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A can do a piece of work in 30 days and B can do the same work in 18 days. B starts the work and continues for 6 days alone then A joins him. Find in how much time the remaining work gets completed both working together.

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