A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate, how long does it take both the leakage together to empty the tank?

1. A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate, how long does it take both the leakage together to empty the tank?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 3.6 min

2. 3.1 min

3. 3.5 min

4. 4.0 min

Answer

Comments