Mathematics · Time and Work
To do a certain task, X would take 3 times as long as Y and Z together, and Z would take 4 times as long as Y and X together. If all three of them together can complete the task in 10 days, how much time is taken by X and Z together to complete the task?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 122 2 9 days✓
- 221 1 9 days
- 320 1 9 days
- 418 2 9 days
Correct answer
22 2 9 days
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