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1. |
A can finish a work in 3 days and B can finish the same work in 2 days. If A and B together works, in how many days the work can be finished? |
A. | 1 day |
B. | 5 days |
C. | 1.2 days |
D. | 0.8 days |
Answer» D. 0.8 days | |