state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Ratio and Proportion Age
The ratio of the ages of father and son at present is 6 : 1. After 5 years the ratio will become 7 : 2. The present age of the son is
1
5 years
2
6 years
3
9 years
4
10 years