state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Ratio and Proportion Simple Ratios
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
1
11 ∶ 7
2
8 ∶ 7
3
6 ∶ 5
4
9 ∶ 8