Mathematics · Time and Work
C is four times as efficient as D. C takes 63 days less than D to complete a work. If both of them work together, then in how many days will the same work be completed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 175.5 days
- 280 days
- 350.8 days
- 416.8 days✓
Correct answer
16.8 days
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