One tap can fill a tank in 10 hours and another tap can empty it in 20 hours. If both taps are opened, how much time (in hours) will it take to fill the tank?

Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM

Options

1. (A) 30 hours
2. (B) 15 hours
3. (C) 20 hours
4. (D) 18 hours

Verified Answer

Option (C): 20 hours

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