A pipe of 2 inch diameter fills a water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank? <br>

1. A pipe of 2 inch diameter fills a water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?

[IFIC Bank MTO-2013 : 2013]

1. 10 minutes

2. 15 minutes

3. 30 minutes

4. 45 minutes

5. None of these

Answer

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