Q. A pipe can fill a tank in 25 hours. After 5 hours, a leak develops and the tank gets filled in 30 hours total. In how many hours can the leak empty the full tank?
✅ Correct Answer: (A)
75 hours
Explanation: Leak rate = 1/25 − 1/30 = 1/75.
Explanation by: Hriday
Leak rate = 1/25 − 1/30 = 1/75.