1.

Choose the most appropriate answer:A does 1/2 as much work as B and C does 1/2 as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in

A. 30 days
B. 131/2days
C. 15 days
D. 20 days
Answer» C. 15 days


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