A data set has a mean of 25 and consists of 4 numbers. If 3 of the numbers are 38, 19, 8, what is the remaining number?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: D. 35.
- A. 30
Why not A: “30” is not 35.
- B. 25
Why not B: “25” is not 35.
- C. 40
Why not C: “40” is not 35.
- D. 35 ✓
Correct answer
D. 35
Explanation
35 (option D) is the accepted answer to “A data set has a mean of 25 and consists of 4 numbers. If 3 of the numbers are 38, 19, 8, what is the remaining number”. Option A (30) is a different value from 35. Option B (25) is a different value from 35. Option C (40) is a different value from 35. Keep 35 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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