The average of 8 numbers is 21. If one number 9 is excluded, find the new average.
Difficulty: Hard
About this MCQ
Hard Average Mcqs item. Correct choice: D. 22.71.
- A. 18.48
Why not A: “18.48” is not 22.71.
- B. 21.54
Why not B: “21.54” is not 22.71.
- C. 27.85
Why not C: “27.85” is not 22.71.
- D. 22.71 ✓
Correct answer
D. 22.71
Explanation
22.71 (option D) is the accepted answer to “The average of 8 numbers is 21. If one number 9 is excluded, find the new average.”. Option A (18.48) is a different value from 22.71. Option B (21.54) is a different value from 22.71. Option C (27.85) is a different value from 22.71. Keep 22.71 as the Average Mcqs fact for this stem.
Source: FPSC/NTS Generated Practice Set
Tags: FPSC, NTS, Average
Submitted by: MCQsHub Editorial
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