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  9. Q387

RRB Junior Engineer / DMS / CMA 2024 · Question 387 of 730

The average age of 40 boys in a class is 18 years. One boy, aged 26 years left the class, and two new boys joined the class. If the average age of all boys now in the class remains 18 years, then find the average age of the two newcomers.

  1. A21 years
  2. B20 years
  3. C22 yearsCorrect
  4. D24 years

Answer: C. 22 years

Official answer key verified. Detailed explanation coming soon.

Source: Railway Junior Engineer 2024 Answer Key compilation (English) — testranking.in (Gagan Pratap) · reliable-secondary

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