A tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak at the bottom. If the tank is full and due to leakage alone, the tank will get empty in ______ hours (Assume no further filling happens)
- A. 20
- B. 40
- C. 30
- D. 50
ISRO Electrical Engineering (EE) 2019 - Question 43
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