The average of 6 numbers is 55. When a new number is added, the average becomes 57. Find the new number.
Difficulty: Medium
About this MCQ
Medium Average Mcqs item. Correct choice: D. 69.
- A. 81
Why not A: “81” is not 69.
- B. 77
Why not B: “77” is not 69.
- C. 63
Why not C: “63” is not 69.
- D. 69 ✓
Correct answer
D. 69
Explanation
69 (option D) is the accepted answer to “The average of 6 numbers is 55. When a new number is added, the average becomes 57. Find the new number.”. Option A (81) is a different value from 69. Option B (77) is a different value from 69. Option C (63) is a different value from 69. Keep 69 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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