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  9. Q122

CGPSC 2011 · Question 122 of 146

If the arithmetic mean of 25, 17, 19, x is 19, then the value of x is

Averages

  1. A21
  2. B14
  3. C13
  4. D15Correct

Answer: D. 15

Explanation

(25 + 17 + 19 + x)/4 = 19 gives 61 + x = 76, so x = 15.

Source: CGPSC PCS Prelims 2011 GS Paper, solved paper via iasexamportal.com

← Q121View full paper (146 questions)Q123 →

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