Mathematics · Direct and Inverse Proportions
If 4 identical pipes can fill a tank in 2 hours 15 minutes, then how much time will 5 such pipes take to fill the same tank?
- 12 hours 5 minutes
- 21 hour 55 minutes
- 31 hour 48 minutes✓
- 41 hour 30 minutes
Correct answer
1 hour 48 minutes
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