Multiple choice

A man had 7 children. When their average age was 12 years, a child ages 6 years died. The average age of remaining six children is-

  1. 13 years

  2. 10 years

  3. 11 years

  4. 14 years

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total age of 7 children when average was 12 = 7 × 12 = 84 years. After 6-year-old dies, remaining 6 children's total age = 84 - 6 = 78 years. New average = 78/6 = 13 years. Option A matches.

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