A, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together every third day. In how many days will the work be completed?

A, B and C can do a piece of work in 30 days, 45 days and 90 days, res

1.	A, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together every third day. In how many days will the work be completed?
A.	\(22\frac{1}{2}\)
B.	24
C.	23
D.	30
Answer» D. 30

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A, B and C can do a piece of work in 30 days, 45 days and 90 days, respectively. A starts the work and he is assisted by B and C together every third day. In how many days will the work be completed?

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