What is the greatest common factor (GCF) of 12 and 42?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: B. 6.
- A. 12
Why not A: “12” is not 6.
- B. 6 ✓
- C. 84
Why not C: “84” is not 6.
- D. 54
Why not D: “54” is not 6.
Correct answer
B. 6
Explanation
6 is the value that answers “What is the greatest common factor (GCF) of 12 and 42” (option B). Option A (12) is a different value from 6. Option C (84) is a different value from 6. Option D (54) is a different value from 6. Keep 6 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, Quant, Number Properties, GMAT
Submitted by: MCQsHub Editorial
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