Pipes A and B can fill a tank in 18 minutes and 45/2 minutes, respectively while pipe C can empty the full tank in 12 minutes. A and B are opened together for 6 minutes and then closed. Now C is opened. C alone will empty the tank in .......(minutes)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 36/5
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| Now |
In 6 min A + B = 6 (10 + 8) = 108 |
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| Hence |
C empty that 108/15 = 36/5 |
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