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A can do a piece of work in 18 days and B in 36 days. If they work together for 9 days, then what percentage of work will be left?
5Q:
A can do a piece of work in 18 days and B in 36 days. If they work together for 9 days, then what percentage of work will be left?
- 133.3false
- 220false
- 325true
- 436false
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