Mathematics · Work and Time
Inlets X and Y can fill an empty silo in 30 hours and 20 hours respectively. An outlet Z can empty 25% of the filled silo in 15 hours. If all three units X, Y, and Z are opened simultaneously, find the time taken to fill the silo completely.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 125 hours
- 212 hours
- 310 hours
- 415 hours✓
Correct answer
15 hours
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