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Q. A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days and B and C leave. How many days more will A take to finish the work?

(A)
12

(B)
18

(C)
20

(D)
22

Correct Answer - Option(B)

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