Question:
Each child in a family has at least 4 brothers and 3 sisters. What is the smallest number of children the family might have?
Each child in a family has at least 4 brothers and 3 sisters. What is the smallest number of children the family might have?
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Remember a child cannot count himself or herself when counting brothers or sisters, so subtract one before applying the at least condition.
Updated On: Jul 14, 2026
- 7
- 8
- 9
- 10
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The Correct Option is C
Solution and Explanation
Boys B, girls G. A boy's brother count = B-1 >=4 => B>=5. A girl's sister count = G-1 >=3 => G>=4. Minimum total = 5+4=9.
Final Answer: 9, option (3).
Final Answer: 9, option (3).
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