state gov Bihar Police Prohibition Constable 2022 Mock Test Series Quantitative Aptitude Ratio and Proportion Age
The ratio of present ages of A and B is 5 : 3. If the difference between A's age 10 years later and B's age 4 years earlier is 20 years, find A's present age.
1
11 years
2
15 years
3
17 years
4
20 years