List of top Mathematics Questions asked in AP EAPCET

A bag contains \(19\) red balls and \(19\) black balls. Two balls are chosen at a time repeatedly and discarded if they are of the same color, but if they are different, black ball is discarded and red ball is returned to the bag. The probability that this process will terminate with one red ball is

An unbiased coin is tossed \(3\) times. If the third toss gets head, then the probability of getting at least one more head is

Let \(P\) be a real number and \(|P|\geq 2\). If \(A\), \(B\), \(C\) are variable angles such that \[ \sqrt{P^2-4}\tan A+P\tan B+\sqrt{P^2+4}\tan C=6P, \] then the minimum value of \[ \tan^2 A+\tan^2 B+\tan^2 C \] is

If \[ \vec{a}=\hat{i}+\hat{j}+\hat{k},\quad \vec{c}=\hat{j}-\hat{k}, \] \[ \vec{a}\times \vec{b}=\vec{c} \] and \[ \vec{a}\cdot \vec{b}=3, \] then \(\vec{b}=\)

In a trapezium \(ABCD\), \[ \overrightarrow{BC}=\lambda \overrightarrow{AD} \] and \[ \vec{x}=\overrightarrow{AC}+\overrightarrow{BD}. \] If \[ \vec{x}=p\overrightarrow{AD}, \] then \(p=\)

The vectors \[ \vec{a}=2\hat{i}+3\hat{j}+6\hat{k} \] and \(\vec{b}\) are collinear and \[ |\vec{b}|=21, \] then \(\vec{b}=\)

In a triangle \(ABC\), if \(\angle A=60^\circ\), then \[ \frac{b}{c+a}+\frac{c}{a+b}= \]

In a triangle \(ABC\), if \[ a\cos A=b\cos B \] where \(a\neq b\), then \(\triangle ABC\) is

In a \(\triangle ABC\), \[ |\overrightarrow{CB}|=a,\quad |\overrightarrow{CA}|=b,\quad |\overrightarrow{AB}|=c \] and \(CD\) is the median through the vertex \(C\). Then \[ \overrightarrow{CA}\cdot \overrightarrow{CD}= \]

Evaluate: \[ \cos^2 45^\circ+\cos^2 135^\circ+\cos^2 225^\circ+\cos^2 315^\circ= \]

Simplify: \[ \frac{1}{1+\sin\theta}+\frac{1}{1-\sin\theta}= \]

Simplify: \[ \frac{\cos x}{1+\sin x}+\tan x= \]

In a triangle \(ABC\), \[ \frac{a-b}{a+b}= \]

Let \(\theta\in \mathbb{R}\) such that \[ 3\sinh(2\theta)=13-3e^{2\theta}, \] then \(\theta=\)

The number of numbers between \(2000\) and \(5000\) that can be formed with the digits \(0,1,2,3,4\), repetition of digits not allowed, and are multiples of \(3\), is

If \(\theta\) is any angle, then \[ \sin^2\theta \cos^2\theta= \]

Evaluate: \[ (4\cos^2 9^\circ-3)(4\cos^2 27^\circ-3)= \]

Let \(T_n\) be the number of all possible triangles formed by joining vertices of an \(n\)-sided regular polygon. If \[ T_{n+1}-T_n=10, \] then the value of \(n\) is

If the equivalent partial fraction of \[ \frac{x^3}{(2x-1)(x+2)(x-3)} \] is given by \[ A+\frac{B}{2x-1}+\frac{C}{x+2}+\frac{D}{x-3}, \] then the value of \(C\) is

How many numbers between \(10\) and \(10,000\) can be formed by using the digits \(1,2,3,4,5\), if no digit is repeated in any number?

If \(a\), \(b\), \(c\), \(d\) are real numbers such that \[ a\lt b\lt c\lt d, \] then the roots of the equation \[ (x-a)(x-c)+2(x-b)(x-d)=0 \] are

If one root of the quadratic equation \[ ax^2+bx+c=0 \] is equal to the \(n^{th}\) power of the other, then \[ (ac^n)^{\frac{1}{n+1}}+(a^nc)^{\frac{1}{n+1}}= \]

In how many ways can the letters of the word ``ASSASSINATION'' be arranged so that all \(S\)'s are together?

If \(a\), \(b\), \(c\) are distinct positive real numbers and \[ a^2+b^2+c^2=1, \] then the value of \(ab+bc+ca\) is

Evaluate: \[ (-1+\sqrt{3})^{60}= \]