

MCQOPTIONS
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1. |
Pipe A can fill a tank in 6 hours. Pipe B can fill the same tank in 10 hours pipe A, B, C together can fill the same tank in 12 hours. In how many hours pipe C can fill the tank alone? |
A. | $$12{1 over2} $$ hours |
B. | 4 hours |
C. | 15 hours |
D. | Not possible |
Answer» E. | |