A jar contains only red and blue marbles in a ratio of 2:7. If there are 14 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 4.
- A. 4 ✓
- B. 14
Why not B: “14” is not 4.
- C. 6
Why not C: “6” is not 4.
- D. 18
Why not D: “18” is not 4.
Correct answer
A. 4
Explanation
4 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 2:7. If there are 14 blue marbles, how many red marbles are there”. Option B (14) is a different value from 4. Option C (6) is a different value from 4. Option D (18) is a different value from 4. Keep 4 as the GRE fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, GRE, Ratios
Submitted by: MCQsHub Editorial
Related MCQs
- A rectangle has a length of 15 and a width of 17. What is its area?
- A rectangular prism has a length of 8, width of 11, and height of 13. What is its volume?
- A rectangular prism has a length of 3, width of 5, and height of 7. What is its volume?
- A rectangular prism has a length of 3, width of 7, and height of 2. What is its volume?
- A rectangular prism has a length of 14, width of 2, and height of 4. What is its volume?
- What is the least common multiple (LCM) of 15 and 71?