TS ICET 24 May 2019 Shift 1 Paper

Question : 96 of 200

Marks: +1, -0

2 pipes can fill a tank in 30 minutes and 36 minutes respectively. A third pipe empties the tank at the rate of 11 liters per minute. If all the three pipes are opened simultaneously it take

22 1/2

minutes for the tank to be full. The capacity of the tank in litres is:

1060
960
760
660

Validate

Solution:

Let the capacity of the tank be x liters. The emptying pipe takes

x/11

minutes to empty the full tank

\;{1}/{30}+\;{1}/{36}-\;{11}/{x}=\;{2}/{45} ⇒ x=660

liters

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