SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of boys and girls in a school is 7 ∶ 5. How many more girls must join the school so that the ratio of boys to girls will be 1 ∶ 1. Given that the total strength of the school was 720.
1
200
2
120
3
150
4
250