Mathematics · Time and Work
A and B can accomplish a certain piece of work in 15 days when working together. A alone can do that same work in 30 days. If A and B work together for 10 days and then onwards only A works, how long will it take for A alone to complete the remaining task?
- 110 days✓
- 220 days
- 330 days
- 425 days
Correct answer
10 days
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