In how much time can Pipe C empty the tank? Statement I: Pipes A and B can fill half the tank in 6 hrs 30 minutes. Statement II: Together with emptying pipe C, pipes A and B can fill the tank in 32 (1/2)hrs.
A and B can fill half the tank in 6 hrs 30 minutes. So full tank in double time i.e, 13 hrs. So from II 1/C = 2/65 – 1/13 = – 3/65 So C can empty full tank in 21 (2/3) hrs.
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