Mathematics · Time and Work
A can finish a task in 12 days, and B can finish the same task in 16 days. They work on alternate days starting with A. However, on every fifth day, C steps in and works for that day alone (replacing the scheduled person), and so on. If C can finish the complete task in 18 days, how many total days will it take to complete the task?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 days
- 214.2 days
- 313.5 days✓
- 412 days
Correct answer
13.5 days
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