alleryA tank normally fills in 6 hours but a leak makes it 8 hours. The leak alone empties a full tank in
A18 hours
B48 hours
C24 hours
D14 hours
Answer & Solution
Correct answer: C. 24 hours
Leak rate is 1/6 - 1/8 = 1/24 per hour, so it empties a full tank in 24 hours.
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