other govt exam DRDO CEPTAM Admin & Allied (A&A) 2022 Mock Test Quantitative Aptitude Problem on Age
4 years ago, the father's age was 7 times of his son. After 3 years, It will be 4 times of his son. What is the Present age of Son?
1
9 years
2
10 years
3
11 years
4
12 years