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Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in
A. 1×13/17 hours
B. 2×8/11 hours
C. 3×9/17 hours
D. 4×1/2 hours
Read Solution (Total 1)
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- (a+b+c) can fill in (1/5+1/6-1/12) =3x9/17
- 9 years agoHelpfull: Yes(0) No(0)
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