Mathematics · Time and Work
X can do a certain work in 24 days. Y is 20% less efficient than X. Both X and Y worked together for 3 days. The remaining work was completed by Z in 1512 days. X, Y and Z together can complete the original work in:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 16 days
- 28 days✓
- 39 days
- 412 days
Correct answer
8 days
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