Civil Service Exam Reviewer · Ratio and Proportion · medium
Two numbers are in the ratio 4 : 7, and their difference is 39. What is the larger number?
- 52
- 91
- 273
- 143
Answer
B. 91
Solution
The difference is 3 parts = 39, so one part = 13. Larger = 7 × 13 = 91.
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