Brain Teasers
2 Brothers and 2 Sisters
Each child in a family has at least 2 brothers and 2 sisters. What is the smallest number of children the family might have?
Answer
6. If each boy in the family has at least 2 brothers, then the smallest number of boys is 3. Similarly, if each girl in the family has at least 2 sisters, then the smallest number of girls is 3. Thus, the smallest number of children the family might have is 6.Hide Answer Show Answer
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