Mathematics · Time and Work
P and Q together can complete a work in 30 days. Q and R together can complete the same work in 37.5 days. R and P together can complete the same work in 150 days. In how many days can all the three complete the same work while working together?
- 130 days
- 235 days
- 325 days✓
- 420 days
Correct answer
25 days
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