If x + y = 12 and x - y = 4; what is the value of x?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 8.
- A. 8 ✓
- B. 4
Why not B: “4” is not 8.
- C. 6
Why not C: “6” is not 8.
- D. 16
Why not D: “16” is not 8.
Correct answer
A. 8
Explanation
8 (option A) is the accepted answer to “If x + y = 12 and x - y = 4; what is the value of x”. Option B (4) is a different value from 8. Option C (6) is a different value from 8. Option D (16) is a different value from 8. Keep 8 as the GRE fact for this stem.
Source: Original practice question; MCQsHub
Tags: Algebra, American Exams, GRE, Quant
Submitted by: MCQsHub Editorial
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