A jar contains only red and blue marbles in a ratio of 2:8. If there are 48 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: B. 12.
- A. 48
Why not A: “48” is not 12.
- B. 12 ✓
- C. 60
Why not C: “60” is not 12.
- D. 14
Why not D: “14” is not 12.
Correct answer
B. 12
Explanation
12 (option B) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 2:8. If there are 48 blue marbles, how many red marbles are there”. Option A (48) is a different value from 12. Option C (60) is a different value from 12. Option D (14) is a different value from 12. Keep 12 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Ratios, GMAT
Submitted by: MCQsHub Editorial
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