Civil Services UPSC EPFO (EO/AO) Mock Test 2023 Quantitative Aptitude Ratio and Proportion Simple Ratios
In a classroom the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that the girls is :
1
1 ∶ 2
2
1 ∶ 4
3
3 ∶ 5
4
3 ∶ 4