Mathematics · Time and Work
A cistern has two inlets I1 and I2. I1 alone can fill it in 8 hours and I2 alone in 4 hours. If both inlets are opened together, what will be the time required to fill the cistern?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 hours
- 283 hours✓
- 3113 hours
- 4143 hours
Correct answer
83 hours
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