Lesson eLearning

A joint family has 5 generations. If each generation has an average of 3 children and only the eldest person in each generation is considered an adult, how many adult members are likely to be in the family?

hard 4 marks Class 3 · EVS · Families can be Different
Answer
5

The correct answer is 5 — Answer is 5.

Step-by-step solution

  1. Understand that the problem counts only the eldest in each generation as an adult.
  2. There are 5 generations, so there are 5 eldest members.
  3. No other adults are counted because children are not adults.
  4. Therefore the total number of adults is 5.
  5. Answer is 5.
Common mistake: Counting all children as adults

Concept tested: Counting adults in multi‑generational families

Published · How this solution was prepared and checked

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