Mathematics · Time and Work
A tank can be filled by pipe A in 3 hours and pipe B in 5 hours. At 7 am, pipe A was opened. At what time will the tank be filled if pipe B is opened at 8 am?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 : 00 am
- 29 : 45 am
- 39 : 30 am
- 49 : 15 am✓
Correct answer
9 : 15 am
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