A and B together can do a piece of work in 6 day. If A can alone do th – McqOptions

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1.	A and B together can do a piece of work in 6 day. If A can alone do the work in 18 days, then the number of days required for B to finish the work is :
A.	15
B.	12
C.	9
D.	10
Answer» D. 10

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