Previous Year Questions: Pair of Linear Equations in Two Variables
Class: 10 (CBSE)Subject: MathematicsChapter: 03
BOARD EXAM 2025 (Set 30/6/3)
Q8. The system of equations \(y + a = 0\) and \(2x = b\) has
(A) No solution
(B) \((-a, \frac{b}{2})\) as its solution
(C) Infinite solutions
(D) \((\frac{b}{2}, -a)\) as its solution
[1 Mark]
Q25 (a). Solve the following pair of equations algebraically:
\(101x + 102y = 304\), \(102x + 101y = 305\)
[2 Marks]
OR
Q25 (b). In a pair of supplementary angles, the greater angle
exceeds the smaller by \(50�\). Express the given situation as a system of linear equations and find
the measure of each angle.
[2 Marks]
Q26. Check whether the given system of equations is consistent
or not. If consistent, solve graphically: \(x - 2y = 0\), \(2x + y = 0\)