Mathematics · Mensuration
The water level in a rectangular tank with a base of 40 m × 30 m is 6.5 m high. In how much time can the tank be completely emptied by a pipe having a square cross-section of side 20 cm, if the water flows through the pipe at the rate of 5 km/h?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 139 hours✓
- 240 hours
- 345 hours
- 436 hours
Correct answer
39 hours
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