BANK SBI Clerk Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Ratio and Proportion Simple Ratios
The students in three classes are in the ratio 2 : 3 : 5. If 10 students are increased in each class, the ratio changes to 4 : 5 : 7. Then find the total number of students before the number increase.
1
20
2
25
3
30
4
35
5
50