Mathematics · Time and Work
P can do a task in 30 days. Q is 50% more efficient than P. R can do the same work in 10 days less than Q. If R and Q start the task together and after X days they leave the task, and then P completes the remaining task in (X + 8) days, find the value of X.
- 18
- 25
- 34✓
- 42
Correct answer
4
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