railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Algebra Linear Equation in 2 Variable
What is the sum of the values of p and q for which the system of equations 2x + 3y = 7; (p + q)x + (2p - q)y = 21 has infinite number of solutions?
1
4
2
5
3
6
4
7