A man had 7 children When their average age was 12…

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A man had 7 children. When their average age was 12 years, a child aged 6 years died. Then average age of remaining six children is :

  1. A. 13 years
  2. B. 10 years
  3. C. 11 years
  4. D. 14 years

Answer: Option A

Here is complete explanation of A man had 7 children When their average age was 12….

Solution(By ExamCraze Team)

According to the question,
Average age of 7 children = 12 years
Sum of ages of 7 children = 84 years
If a child aged 6 years died then
Sum of aged of 6 children = 84 - 6 = 78 years
∴ Average = $$frac{78}{6}$$ = 13 years

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