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Q: A and B together can do a certain work in x days. Working alone, A and B can do the same work in (x+8) and (x+18) days, respectively. A and B together will complete $$ {5\over 6}$$ of the same work in; |
A. | 12 days |
B. | 8 days |
C. | 10 days |
D. | 9 days |
Answer» D. 9 days | |