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Mathematics
List of top Mathematics Questions asked in BITSAT
If $\omega$ is the complex cube root of unity, then the value of $\omega+\omega\left(\frac{1}{2}+\frac{3}{8}+\frac{9}{32}+\frac{27}{128}+\ldots \ldots\right)$
BITSAT - 2015
BITSAT
Mathematics
Series
The period of $\tan 3\theta$ is
BITSAT - 2015
BITSAT
Mathematics
Inverse Trigonometric Functions
The value of $\frac{3}{4} + \frac{15}{16} +\frac{63}{64} +..... $ upto n terms is
BITSAT - 2015
BITSAT
Mathematics
Sequence and series
The line which is parallel to X-axis and crosses the curve
$y = \sqrt{x}$
at an angle of
$45^{\circ}$
, is
BITSAT - 2015
BITSAT
Mathematics
Application of derivatives
The position of a projectile launched from the origin at $t=0$ is given by $\hat{r}=\left(40 \hat{i}+50\hat{ j}\right) m$ at $t=2 s$. If the projectile was launched at an angle $\theta$ from the horizontal, then $\theta$ is $\left(\right.$ take $\left. g=10\, ms ^{-2}\right)$
BITSAT - 2015
BITSAT
Mathematics
Vector Algebra
In a
$\Delta ABC$
, the lengths of the two larger sides are
$10$
and
$9$
units, respectively. If the angles are in AP, then the length of the third side can be
BITSAT - 2015
BITSAT
Mathematics
Arithmetic Progression
Minimise
$Z=\displaystyle\sum_{j=1}^{n} \displaystyle\sum_{i=1}^{m} c_{i j} \cdot x_{i j}$
Subject to
$\displaystyle\sum_{ i =1}^{ m } x _{ ij }= b _{ j }, j =1,2, \ldots \ldots n$
$\displaystyle\sum_{j=1}^{n} x_{i j}=b_{j}, j=1,2, \ldots \ldots, m$
is a LPP with number of constraints
BITSAT - 2015
BITSAT
Mathematics
Linear Programming
If \(z=x+iy,\; z^{1/3}=a-ib\), then \(\dfrac{x}{a}-\dfrac{y}{b}=k(a^2-b^2)\), where \(k\) is equal to:
BITSAT - 2014
BITSAT
Mathematics
Complex numbers
The angle of intersection of the two circles
$x^2 + y^2 - 2x - 2y = 0$
and
$x^2 + y^2 = 4$
, is
BITSAT - 2014
BITSAT
Mathematics
Circle
If \[ \begin{vmatrix} p & q - y & r - z \\ p - x & q & r - z \\ p - x & q - y & r \end{vmatrix} = 0, \] then the value of \(\dfrac{p}{x} + \dfrac{q}{y} + \dfrac{r}{z}\) is
BITSAT - 2014
BITSAT
Mathematics
Properties of Determinants
Let \( f:\mathbb{R} \to \mathbb{R} \) be a function defined by \( f(x) = \dfrac{x - m}{x - n} \), where \( m \neq n \). Then
BITSAT - 2014
BITSAT
Mathematics
types of functions
If \(\begin{bmatrix} \alpha & \beta \\ \gamma & -\alpha \end{bmatrix}\) is a square root of identity matrix of order 2, then
BITSAT - 2014
BITSAT
Mathematics
types of matrices
Let \[ f(x)= \begin{cases} (x-1)\sin\!\left(\dfrac{1}{x-1}\right), & x \neq 1 \\ 0, & x = 1 \end{cases} \] Then which one of the following is true?
BITSAT - 2014
BITSAT
Mathematics
Continuity and differentiability
The coefficient of \(x^4\) in the expansion of \((1 + x + x^2 + x^3)^{11}\) is:
BITSAT - 2014
BITSAT
Mathematics
permutations and combinations
If the \((2p)^{\text{th}}\) term of a H.P. is \(q\) and the \((2q)^{\text{th}}\) term is \(p\), then the \(2(p+q)^{\text{th}}\) term is:
BITSAT - 2014
BITSAT
Mathematics
Sequence and Series
\(\displaystyle \lim_{x \to 0} \left(\csc x\right)^{\frac{1}{\log x}}\) is equal to:
BITSAT - 2014
BITSAT
Mathematics
limits and derivatives
Let \( R = \{(3,3), (6,6), (9,9), (12,12), (6,12), (3,9), (3,12), (3,6)\} \) be a relation on the set \( A = \{3,6,9,12\} \). Then, the relation is:
BITSAT - 2014
BITSAT
Mathematics
types of relations
Through the vertex \(O\) of parabola \(y^2=4x\), chords OP and OQ are drawn at right angles to one another. The locus of the midpoint of PQ is
BITSAT - 2014
BITSAT
Mathematics
sections of a cone
Let \[ f(x)= \begin{cases} \dfrac{1-\sin^3 x}{3\cos^2 x}, & x < \dfrac{\pi}{2} \\ [6pt] p, & x = \dfrac{\pi}{2} \\ [6pt] \dfrac{q(1-\sin x)}{(\pi-2x)^2}, & x > \dfrac{\pi}{2} \end{cases} \] If \(f(x)\) is continuous at \(x=\dfrac{\pi}{2}\), then \((p,q)=\)
BITSAT - 2014
BITSAT
Mathematics
Continuity
A coin is tossed 7 times. Each time a man calls head. Find the probability that he wins the toss on more occasions.
BITSAT - 2014
BITSAT
Mathematics
binomial distribution
Consider \(\dfrac{x}{2}+\dfrac{y}{4}\ge1\) and \(\dfrac{x}{3}+\dfrac{y}{2}\le1,\; x,y\ge0\). Then number of possible solutions are
BITSAT - 2014
BITSAT
Mathematics
linear inequalities
The equation of the right bisector plane of the segment joining \((2,3,4)\) and \((6,7,8)\) is
BITSAT - 2014
BITSAT
Mathematics
Plane
A bag contains \(n+1\) coins. It is known that one of these coins shows heads on both sides, whereas the other coins are fair. One coin is selected at random and tossed. If the probability that toss results in heads is \(\frac{7}{12}\), then the value of \(n\) is
BITSAT - 2014
BITSAT
Mathematics
Probability
If \(A=\begin{bmatrix}1 & 1 \\ 1 & 1\end{bmatrix}\), then \(A^{100}\) is
BITSAT - 2014
BITSAT
Mathematics
types of matrices
Find the angle between the line \[ \frac{x+1}{2}=\frac{y}{3}=\frac{z-3}{6} \] and the plane \(10x+2y-11z=3\).
BITSAT - 2014
BITSAT
Mathematics
Angle between a Line and a Plane
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