A jar contains only red and blue marbles in a ratio of 2:6. If there are 48 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: C. 16.
- A. 48
Why not A: “48” is not 16.
- B. 64
Why not B: “64” is not 16.
- C. 16 ✓
- D. 18
Why not D: “18” is not 16.
Correct answer
C. 16
Explanation
16 (option C) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 2:6. If there are 48 blue marbles, how many red marbles are there”. Option A (48) is a different value from 16. Option B (64) is a different value from 16. Option D (18) is a different value from 16. Keep 16 as the GRE fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, GRE, Ratios
Submitted by: MCQsHub Editorial
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