Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?

Sudhir and Shyam can do a work in 12 days, while Shyam alone can compl

1.	Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?
A.	20 days
B.	18 days
C.	28 days
D.	30 days
Answer» B. 18 days

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Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?

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