Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
The sum of the present ages of a father and his son is 54 years. Seven years ago, father’s age was seven times the age of the son. After 7 years, son’s age will be:
1
12 years
2
14 years
3
18 years
4
19 years