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1. |
A can do a piece of work in 24 days, while B can do it in 30 days. With the help of C they can finish the whole work in 12 days.How much time is required for C to complete the work, alone? |
A. | 100 days |
B. | 120 days |
C. | 125 days |
D. | 72 days |
Answer» C. 125 days | |