A joint family has 4 generations. If each generation has an average of 2 children, and only the eldest person in each generation is considered an adult, how many adult members are likely in the family?
Answer
4
The correct answer is 4 — Sum the adults (1+1+1+1) to get 4
Step-by-step solution
- Determine the number of generations (4)
- Recognize that only the eldest person in each generation is an adult
- Count one adult per generation
- Sum the adults (1+1+1+1) to get 4
Common mistake: Adding children to the adult count
Concept tested: Counting adults in joint families
Published · How this solution was prepared and checked
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