Mathematics · Time and Work
A, B, and C individually can do a certain piece of work in 21 days, 28 days, and 24 days respectively. They started working together, but after 4 days, A and B left the job, and the remaining work was completed by C alone. In how many days was the entire work completed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 days
- 214 days
- 316 days✓
- 418 days
Correct answer
16 days
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