The solution set {x, y} of the system of equations x – 2y = 0 and 3x + 4y = 10 is

The two lines 3x + 2y – 80 = 0 and 4x + 3y -110 = 0 are

The perimeter of a rectangular plot is 32 m. If the length l is increased by 2 m and the breadth b is decreased by 1m, the area of the plot remains the same. Then the values of l and b are respectively.

Which of the following equations is a linear equation ?

$4y^2-5y+14y^2\; -\; 5y\; +\; 1$ is …………

Which of the following is a linear equation ?

Solution for the equations $\sqrt{8}x+\sqrt{7}y=0\backslash sqrt8\; x\; +\; \backslash sqrt7\; y\; =\; 0$ and $\sqrt{6}x+\sqrt{1}0y=0\backslash sqrt6\; x\; +\; \backslash sqrt10\; y\; =\; 0$

The semi perimeter of a triangle exceeds each of its side by 5, 3 and 2 respectively. What is the perimeter of the triangle?

For what value of k do the equation 3(k – 1) x + 4y = 24 and 15x + 20y = 8 (k + 13) have infinite solutions ?

If the system of equations 2x – 3y = 3 and – 4x + qy = p is inconsistent, which of the following cannot be the value of p?