If the perimeter of a rectangular room is 34 and the length of the diagonal is 13, then the dimensions of the room are ……………

If 9x + 11y = 51 and 11x + 9y = 49, then x = ……………

If the pair of equations $a_{1}x+b_{1}y+c_1=0a\_1x\; +\; b\_1y\; +\; c\_1=\; 0$ and $a_{2}x+b_{2}y+c_2=0a\_2x\; +\; b\_2\; y\; +\; c\_2\; =\; 0$ has unique solution, then …………

The solution of the equations $\sqrt{3}x-\sqrt{7}y=0\backslash sqrt3x-\backslash sqrt7y=0$ and $\sqrt{8}x-\sqrt{3}y=0\backslash sqrt8x-\backslash sqrt3y=0$ is

If twice the age of A is added to B’s age, the sum is 45 and if twice the age of B is added to A’s age, the sum is 30. Then the age of B is ……………

3 pens and 5 pencils together cost Rs 35, whereas 5 pens and 3 pencils together cost Rs 37. The cost of a pencil is ………

Which of the following is a solution for the equation 2(x + 3) = 18 ?

If 3x + 4y – k = 0 and 6x + 8y – 4 = 0 are coincident lines, then the value of k is …………

If y = 3, then the value of ‘x’ satisfying the equation $\frac{5}{x}+\frac{3}{y}=6\backslash frac\{5\}\{x\}+\backslash frac\{3\}\{y\}\; =\; 6$ is …………

Which one of the following is NOT a linear equation?