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Q: In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?

  • 1
    18 years
  • 2
    12 years
  • 3
    15 years
  • 4
    16 years
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Answer : 4. "16 years"
Explanation :

Answer: D) 16 years Explanation: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average) = 24 – 24×4/12 = 24 – 8 = 16 years.

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