April 2026

If the system of equations kx – 5y = 2, 6x + 2y = 7 has no solution, then k (a) -10 (b) -5 (c) -6 (d) -15

Finding Value of k for No Solution Video Explanation Question Find the value of \(k\) for which the system of equations \(kx – 5y = 2\) and \(6x + 2y = 7\) has no solution. Solution Step 1: Write in Standard Form \[ kx – 5y – 2 = 0 \] \[ 6x + 2y […]

If the system of equations kx – 5y = 2, 6x + 2y = 7 has no solution, then k (a) -10 (b) -5 (c) -6 (d) -15 Read More »

If the system of equations 2x+3y=5, 4x+ky=10 has infinitely many solutions, then k= (a) 1 (b) 1/2 (c) 3 (d) 6

Finding Value of k for Infinite Solutions Video Explanation Question Find the value of \(k\) for which the system of equations \(2x + 3y = 5\) and \(4x + ky = 10\) has infinitely many solutions. Solution Step 1: Write in Standard Form \[ 2x + 3y – 5 = 0 \] \[ 4x +

If the system of equations 2x+3y=5, 4x+ky=10 has infinitely many solutions, then k= (a) 1 (b) 1/2 (c) 3 (d) 6 Read More »

The area of the triangle formed by the lines y=x, x=6 and y=0 is (a) 36 sq. units (b) 18 sq. units (c) 9 sq. units (d) 72 sq. units

Area of Triangle Formed by Three Lines Video Explanation Question Find the area of the triangle formed by the lines \(y = x\), \(x = 6\), and \(y = 0\). Solution Step 1: Find Points of Intersection Intersection of \(y = x\) and \(y = 0\): \[ x = 0 \Rightarrow (0,0) \] Intersection of

The area of the triangle formed by the lines y=x, x=6 and y=0 is (a) 36 sq. units (b) 18 sq. units (c) 9 sq. units (d) 72 sq. units Read More »

The area of the triangle formed by the line x/a+ y/b=1 with the coordinate axes is (a) ab (b) 2ab (c) 1/2 ab (d) 1/4 ab

Area of Triangle Formed by Line with Axes Video Explanation Question Find the area of the triangle formed by the line \(\frac{x}{a} + \frac{y}{b} = 1\) with the coordinate axes. Solution Step 1: Identify Intercepts Given equation: \[ \frac{x}{a} + \frac{y}{b} = 1 \] x-intercept: \( (a, 0) \) y-intercept: \( (0, b) \) Step

The area of the triangle formed by the line x/a+ y/b=1 with the coordinate axes is (a) ab (b) 2ab (c) 1/2 ab (d) 1/4 ab Read More »

If a pair of linear equations in two variables is consistent, then the lines represented by two equations are (a) intersecting (b) parallel (c) always coincident (d) intersecting or coincident

Consistent Pair of Linear Equations Video Explanation Question If a pair of linear equations in two variables is consistent, then the lines represented by the equations are: (a) intersecting (b) parallel (c) always coincident (d) intersecting or coincident Solution Step 1: Meaning of Consistent System A system is said to be consistent if it has

If a pair of linear equations in two variables is consistent, then the lines represented by two equations are (a) intersecting (b) parallel (c) always coincident (d) intersecting or coincident Read More »

If 2x-3y=7 and (a+b)x-(a+b-3)y=4a+b represent coincident lines, then a and b satisfy the equation (a) a + 5b = 0 (b) 5a + b = 0 (c) a – 5b = 0 (d) 5a – b = 0

Finding Relation Between a and b for Coincident Lines Video Explanation Question If the equations \(2x – 3y = 7\) and \((a+b)x – (a+b-3)y = 4a + b\) represent coincident lines, find the relation between \(a\) and \(b\). Solution Step 1: Write in Standard Form \[ 2x – 3y – 7 = 0 \] \[

If 2x-3y=7 and (a+b)x-(a+b-3)y=4a+b represent coincident lines, then a and b satisfy the equation (a) a + 5b = 0 (b) 5a + b = 0 (c) a – 5b = 0 (d) 5a – b = 0 Read More »

The value of k for which the system of equations x+2y=5 , 3x+ky+15=0 has no solution is (a) 6 (b) -6 (c) 3/2 (d) none of these

Finding Value of k for No Solution Video Explanation Question Find the value of \(k\) for which the system of equations \(x + 2y = 5\) and \(3x + ky + 15 = 0\) has no solution. Solution Step 1: Write in Standard Form \[ x + 2y – 5 = 0 \] \[ 3x

The value of k for which the system of equations x+2y=5 , 3x+ky+15=0 has no solution is (a) 6 (b) -6 (c) 3/2 (d) none of these Read More »

If the system of equations 2x+3y=7, 2ax+(a+b)y=28 has infinitely many solutions, then (a) a = 2b (b) b = 2a (c) a + 2b = 0 (d) 2a + b = 0

Finding Relation Between a and b for Infinite Solutions Question If the system of equations \(2x + 3y = 7\) and \(2ax + (a+b)y = 28\) has infinitely many solutions, find the relation between \(a\) and \(b\). Solution Step 1: Write in Standard Form \[ 2x + 3y – 7 = 0 \] \[ 2ax

If the system of equations 2x+3y=7, 2ax+(a+b)y=28 has infinitely many solutions, then (a) a = 2b (b) b = 2a (c) a + 2b = 0 (d) 2a + b = 0 Read More »

If am ≠ bl , then the system of equations ax + by = c, Ix + my = n (a) has a unique solution (b) has no solution (c) has infinitely many solutions (d) may or may not have a solution.

Condition for Unique Solution Video Explanation Question If \(am \ne bl\), then the system of equations \(ax + by = c\) and \(lx + my = n\) has: (a) a unique solution (b) no solution (c) infinitely many solutions (d) may or may not have a solution Solution Step 1: Identify Coefficients For equation (1):

If am ≠ bl , then the system of equations ax + by = c, Ix + my = n (a) has a unique solution (b) has no solution (c) has infinitely many solutions (d) may or may not have a solution. Read More »

If the system of equations 3x+y=1, (2k-1)x+(k-1)y=2k+1 is inconsistent, then k= (a) 1 (b) 0 (c) -1 (d) 2

Finding Value of k for Inconsistent System Video Explanation Question Find the value of \(k\) for which the system of equations \(3x + y = 1\) and \((2k – 1)x + (k – 1)y = 2k + 1\) is inconsistent. Solution Step 1: Write in Standard Form \[ 3x + y – 1 = 0

If the system of equations 3x+y=1, (2k-1)x+(k-1)y=2k+1 is inconsistent, then k= (a) 1 (b) 0 (c) -1 (d) 2 Read More »