Question 1 :
The sum of 25 terms of the A.P.{tex}-\frac { 2 }{ 3 } ,-\frac { 2 }{ 3 } ,-\frac { 2 }{ 3 } {/tex} is<br/>
Question 2 :
If the equation 3x² – kx + 2k =0 roots, then the the value(s) of k is (are)<br/>
Question 3 :
If on dividing 4x<sup>2</sup> – 3kx + 5 by x + 2, the remainder is -3 then the value of k is<br/>
Question 4 :
If {tex}\begin{bmatrix} x-2y & 5 \\ 3 &y \end{bmatrix}=\begin{bmatrix} 6 & 5 \\ 3 & -2 \end{bmatrix} {/tex} then the value of x is<br/>
Question 5 :
The third proportional to {tex}6 \frac { 1 }{ 4 } {/tex} and 5 is<br/>
Question 6 :
The coordinates of the point which is equidistant from the three vertices of ∆AOB (shown in the given figure) are<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e52d586141c136a5d2e"/>
Question 7 :
The reflection of the point P (-2, 3) in the y- axis is<br/>
Question 8 :
If A = {tex}\begin{bmatrix} 2 & -2 \\ -2 & 2 \end{bmatrix} {/tex} , then A² = pA, then the value of p is<br/>
Question 9 :
In an A.P., if d = -4, n = 7, a<sub>n</sub> = 4, then a is<br/>
Question 10 :
If x ∈ { – 3, – 1, 0, 1, 3, 5}, then the solution set of the inequation 3x – 2 ≤ 8 is<br/>
Question 12 :
Given f ( x ) = ( 5 x<sup>3 </sup>+ 6 x<sup>2 </sup>− 7 ) , find f ( 5 )
Question 13 :
Which of the following are true?<br>a) An identity matrix is a square matrix<br> b) A null matrix is a scalar matrix <br>c) An identity matrix is a scalar matrix<br>d) A scalar matrix is an identity matrix
Question 14 :
Which of the following are true? a) π 2r is a monomial b) Every polynomial is a binomial c) Degree of zero polynomial is zero d) A binomial may have degree 3 e) A binomial has two and only two terms
Question 15 :
Factorize ( x + 2 x a − x + a − a − 42 )