2017 · Q32
In a class of 49 students, the ratio of girls to boys is 4 : 3. If 4 girls leave the class, the ratio of girls to boys would be
Elementary MathematicsRatio and Proportion
- A11:7
- B8:7
- C6:5
- D9:8
Explanation
Girls:boys = 4:3 among 49 students gives 28 girls and 21 boys. After 4 girls leave: 24:21 = 8:7: option B.