Civil Service Exam Reviewer · Ratio and Proportion · hard
Two similar boxes have corresponding sides in the ratio 5 : 7. What is the ratio of their volumes?
- 5 : 7
- 25 : 49
- 10 : 14
- 125 : 343
Answer
D. 125 : 343
Solution
For similar figures, volumes scale as the cube of the side ratio: 125 : 343.
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