state gov Odisha Police Junior Clerk Mock Test 2024 Quantitative Aptitude Ratio and Proportion Mean Proportional
In a school, there are 200 students. If the ratio of the number of boys and the number of girls is 9 ∶ 1, then find the mean proportion between the number of boys and that of girls in the school.
1
60
2
30
3
40
4
50