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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 ? | |
A. | 20 hrs [Wrong Answer] |
B. | 25 hrs [Wrong Answer] |
C. | 35 hrs [Correct Answer] |
D. | Cannot be determined [Wrong Answer] |