(24) A tank is filled by means of 3 pipes A, B and C. When pipes A and B are opened together the tank is
filled in 15 hours, by B and Cin 12 hours and by A and C in 10 hours.
(i) Find the time taken by each of the pipes to fill the tank.
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Step-by-step explanation:
A,B,C together fill the tank in 6 hours. Therefore, in 2 hours, these three pipes together fills 13 of the tank. Therefore, A,B together fills remaining 23 of the tank in 7 hours. i.e., A,B together can fill the entire tank in 7×32=10.5 7 × 3 2 = 10.5 hours.
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