Question

A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?
A.20 hours
B.25 hours
C.35 hours
D.Cannot be determined

Answer 1

the answer is

cannot be determined

Answer 2

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• A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank is 20 hours