A jar contains only red and blue marbles in a ratio of 2:9. If there are 36 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 8.
- A. 8 ✓
- B. 36
Why not B: “36” is not 8.
- C. 44
Why not C: “44” is not 8.
- D. 10
Why not D: “10” is not 8.
Correct answer
A. 8
Explanation
8 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 2:9. If there are 36 blue marbles, how many red marbles are there”. Option B (36) is a different value from 8. Option C (44) is a different value from 8. Option D (10) is a different value from 8. Keep 8 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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