The ratio of boys to girls in a school is 5:3. If there are 120 girls, how many boys are in the school?
A180
B200
C220
D240
Explanation
Let ratio unit be x. 3x = 120 => x = 40. Number of boys = 5x = 5 * 40 = 200.
Exam Relevance
- Topic: Ratio and Proportion
- Subtopic: Basic Ratios
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