Question 1 :
Which term of the A.P. 21, 42, 63, 84,… is 210?<br/>

Question 2 :
If {tex}\begin{bmatrix} x+2y & 3y \\ 4x & 2 \end{bmatrix}=\begin{bmatrix} 0 & -3 \\ 8 & 2 \end{bmatrix} {/tex} then the value of x – y is<br/>

Question 3 :
If one end of a diameter of a circle is (2, 3) and the centre is (-2, 5), then the other end is<br/>

Question 4 :
If x ∈ I, then the solution set of the inequation 1 < 3x + 5 ≤ 11 is<br/>

Question 5 :
In an A.P., if d = -4, n = 7, a_n = 4, then a is<br/>

Question 6 :
Which of the following are true for matrices {tex} \mathrm{A}, \mathrm{B} {/tex} and {tex} \mathrm{C} {/tex} ?<br> a) {tex} \mathrm {A \times(B+C)=(A \times B)+(A \times C) }{/tex} <br>b) {tex}\mathrm { (A \times I)=(I \times A)=I} {/tex}<br>c) {tex} \mathrm {(A+B) \times C=(A \times B)+(A \times C)} {/tex} .<br>d) {tex} \mathrm {A \times(B \times C)=(A \times B) \times C} {/tex}<br>e) {tex} \mathrm {(A \times B)=(B \times A)} {/tex} <br>f) {tex} \mathrm { (A \times I)=(I \times A)=A} {/tex}

Question 8 :
Given f ( x ) = ( 5 x³+ 6 x²− 7 ) , find f ( 5 )