[Punjab Cooperative Bank IT Officer 2021]

3. The quantity of water in a tank gets one-halved of the available amount every minute. After how much time will the full tank be left with only \(3 {1\over 8}\)% of the water?

1. 16 minutes

2. 9 minutes

3. 5 minutes

    

4. Cannot be determined

Correct Answer :

5 minutes