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  9. Q142

CGPSC 2011 · Question 142 of 146

The mean of 5 numbers is 18. If one number is excluded, then the mean becomes 16. The excluded number is

Averages

  1. A30
  2. B18
  3. C24
  4. D26Correct

Answer: D. 26

Explanation

Total of 5 numbers = 90; total of remaining 4 = 64; excluded number = 90 - 64 = 26.

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

← Q141View full paper (146 questions)Q143 →

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