state gov AP Police SI (Pre+Mains) Mock Test 2022 Quantitative Aptitude Ratio and Proportion Simple Ratios
Find the number of students who took an exam if the ratio of those who passed to those who failed in the exam was 10 ∶ 3. If 40 more students had taken the exam and 10 less had failed, then the ratio of those who passed to those who failed in the exam would have been 5 ∶ 1.
1
200
2
250
3
300
4
260