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A tap can fill a tank in 25 minutes and another can empty it in 50 minutes. Find whether the tank will be filled up or emptied and in how many minutes ?
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- Tank is emptied in 20 minutes
- Tank is filled up in 50 minutes
- Tank is filled up in 20 minutes
- Tank is emptied in 25 minutes
Correct Option: B
T = (25 x 50) / (50 - 25) = + 50 minutes
+ ve sign shows that tank is filled up in 50 minutes.
