Question 1 :
In an A.P., if a = -7.2, d = 3.6, a<sub>n</sub> = 7.2, then n is<br/>
Question 2 :
The quadratic equation 2x² – √5x + 1 = 0 has<br/>
Question 3 :
If x ∈ W, then the solution set of the inequation 5 – 4x ≤ 2 – 3x is<br/>
Question 4 :
If the first term of an A.P. is -5 and the common difference is 2, then the sum of its first 6 terms is<br/>
Question 5 :
If {tex} \frac { 1 }{ 2 } {/tex} is a root of the equation x<sup>2</sup> + kx – {tex} \frac { 5 }{ 4 } {/tex} = 0, then the value of k is<br/>
Question 6 :
If on dividing 4x<sup>2</sup> – 3kx + 5 by x + 2, the remainder is -3 then the value of k is<br/>
Question 7 :
When 2x<sup>3</sup> – x<sup>2</sup> – 3x + 5 is divided by 2x + 1, then the remainder is<br/>
Question 10 :
In an A.P., if a = 3.5, d = 0, n = 101, then a<sub>n</sub> will be<br/>
Question 11 :
If the last term of the A.P. 5, 3, 1, -1,… is -41, then the A.P. consists of<br/>
Question 12 :
A ratio equivalent to the ratio {tex} \frac { 2 }{ 3 } {/tex} : {tex} \frac { 5 }{ 7 } {/tex} is<br/>
Question 13 :
The slope of a line parallel to the line passing through the points (0, 6) and (7, 3) is<br/>
Question 14 :
If the equation 2x² – 6x + p = 0 has real and different roots, then the values ofp are given by<br/>
Question 15 :
Which of the following points is invariant with respect to the line y = -2 ?<br/>
Question 17 :
Which of the following are true?<br> a) A row matrix is a square matrix <br>b) A column matrix is a square matrix<br>c) A null matrix is a square matrix <br>d) An identity matrix is a square matrix<br>
Question 19 :
Which of the following polynomials has ( 2 x − 5 ) as a factor ?
Question 20 :
The number of rows in matrix {tex}\mathrm A= \begin{bmatrix}4 & 6 & 5\\5 & 4 & 6 \\ 6 & 5 & 5 \end{bmatrix} {/tex}is