Mathematics · Time and Work
Pipe R can empty a full tank in 30 hours, while two pipes P and Q can fill the tank in 15 hours and 10 hours respectively. Ram unknowingly opened all three pipes. After 2 hours, Shyam realized it and closed Pipe R. Due to this mistake, how much more time (beyond the standard filling time when only P and Q are open from the start) would it take to fill the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 hours 15 min
- 21 hour 20 min
- 318 min
- 424 min✓
Correct answer
24 min
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