Mathematics · Time and Work
Four examiners can examine a certain number of answer papers in 10 days by working for 5 hours a day. For how many hours a day would 2 examiners have to work in order to examine twice the number of answer papers in 20 days?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118 hours
- 220 hours✓
- 310 hours
- 415 hours
Correct answer
20 hours
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