Mathematics · Time and Work
A cistern has two inlets, I1 and I2. I1 alone can fill it in 8 hours and I2 alone can fill it in 4 hours. If both the inlets are opened together, how much time will be required to fill the cistern?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 183 hours✓
- 22 hours
- 3143 hours
- 4113 hours
Correct answer
83 hours
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