A jar contains only red and blue marbles in a ratio of 5:6. If there are 42 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: B. 35.
- A. 42
Why not A: “42” is not 35.
- B. 35 ✓
- C. 77
Why not C: “77” is not 35.
- D. 40
Why not D: “40” is not 35.
Correct answer
B. 35
Explanation
35 (option B) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 5:6. If there are 42 blue marbles, how many red marbles are there”. Option A (42) is a different value from 35. Option C (77) is a different value from 35. Option D (40) is a different value from 35. Keep 35 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Ratios, GMAT
Submitted by: MCQsHub Editorial