Answer : 3 28 hrs Explanation : Answer: C) 28 hrs Explanation: 1/K 1/L 1/M = 1/8 (Given)Also given that K = 2L and L = 2M=

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A tank is filled in eight hours by three pipes K, L and M. Pipe K is twice as fast as pipe L, and L is twice as fast as M. How much time will pipe L alone take to fill the tank ?