What is the greatest common factor (GCF) of 12 and 20?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: C. 4.
- A. 32
Why not A: “32” is not 4.
- B. 60
Why not B: “60” is not 4.
- C. 4 ✓
- D. 8
Why not D: “8” is not 4.
Correct answer
C. 4
Explanation
4 is the value that answers “What is the greatest common factor (GCF) of 12 and 20” (option C). Option A (32) is a different value from 4. Option B (60) is a different value from 4. Option D (8) is a different value from 4. Keep 4 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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