a and b together can complete a piece of work in 4 days. If a alo – McqOptions

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1.	a and b together can complete a piece of work in 4 days. If a alone can complete the same work in 12 days, in how many days can b alone complete that work?
A.	8 days
B.	6 days
C.	12 days
D.	9 days
Answer» C. 12 days

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