A data set has a mean of 28 and consists of 4 numbers. If 3 of the numbers are 28, 34, 9, what is the remaining number?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: B. 41.
- A. 46
Why not A: “46” is not 41.
- B. 41 ✓
- C. 36
Why not C: “36” is not 41.
- D. 28
Why not D: “28” is not 41.
Correct answer
B. 41
Explanation
41 (option B) is the accepted answer to “A data set has a mean of 28 and consists of 4 numbers. If 3 of the numbers are 28, 34, 9, what is the remaining number”. Option A (46) is a different value from 41. Option C (36) is a different value from 41. Option D (28) is a different value from 41. Keep 41 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, Quant, Statistics, GMAT
Submitted by: MCQsHub Editorial
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