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 tank is filled in 5 hours by three pipes A, B and C. The pipe C i

1.	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.	15 hrs
B.	25 hrs
C.	35 hrs
D.	45 hrs
Answer» D. 45 hrs

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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

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