Mathematics, 15.12.2020 23:40 eelebron0905
1. How many students have at least 1 brother but no sisters?
2. How many students have at least 1 sister but no brothers?
3. How many students have no brothers and no sisters?
4. How many students have brothers or sisters?
Answers: 3
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1. How many students have at least 1 brother but no sisters?
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