Q. A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in
A) 45 minutes
B) 1 hour
C) 50 minutes
D) 30 minutes
✔ Correct Answer: 30 minutes
Exam Insight
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A) 45 minutes
B) 1 hour
C) 50 minutes
D) 30 minutes
✔ Correct Answer: 30 minutes
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