Mathematics · Time and Work
P, Q and R, each working alone, can complete a piece of work in 10 days, 15 days and 25 days respectively. If P works on all days, Q works on every odd-numbered day and R works on every even-numbered day, then in how many days will the whole work be completed?
- 161225✓
- 2101125
- 38925
- 412325
Correct answer
61225
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