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A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?
5Q:
A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?
- 11/6false
- 22/9false
- 313/20true
- 41/3false
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