Mathematics · Time and Work
X can finish a work in 162 days, Y can finish the same work in 270 days and Z can finish the same piece of work in 360 days. How many days will they require to complete the work, if X, Y and Z work together?
- 180141 days
- 277141 days
- 379141 days✓
- 47841 days
Correct answer
79141 days
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