Mathematics · Time and Work
X alone can finish a work in 18 days, and Y alone can finish the same work in 9 days. If X, Y, and Z together can finish the same work in 4 days, then in how many days can Z alone finish the work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116 days
- 214 days
- 310 days
- 412 days✓
Correct answer
12 days
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