List of top Mathematics Questions

\(cos(cos^{-1}(-\frac{1}{2})+\frac{π}{3}) =\)

Inverse of \([\begin{array}{cc}3 & -2 \\ 1 & 4\end{array}]\) is

If \(A = [\begin{array}{cc}5a & -b \\ 3 & 2\end{array}]\) and \(A\,(\text{adj }A) = AA^T\), Then \(5a+b =\)

If \(y = tan^{-1}[\frac{x-\sqrt{1-x^2}}{x+\sqrt{1-x^2}}]\) , then \(\frac{dy}{dx} =\)

\(\underset{x\rightarrow 0}{lim}\frac{(5^x-1)^4\,\text{cosec}\,(xlog5)}{tan(xlog5)\cdot log(1+x^2log25)} = \ldots \ldots\)

In a triangle ABC, with usual notations \(a = \sqrt{3}+1\), \(b = \sqrt{3}-1\) and \(\angle C = 60^{\circ}\) then the values of \(\angle A\) and \(\angle B\) respectively are

With usual notations in \(△\)ABC, if \(bcos^2\frac{C}{2}+ccos^2\frac{B}{2} = \frac{3a}{2}\) then

If the line \(y = 2x+λ\) is a tangent to the hyperbola \(36x^2-25y^2 = 3600\), then \(λ =\)

The equations of the tangent to the curve \(x^2+y^2 = 10\), where the tangent is parallel to the line \(2x+y-1 = 0\), are

Simplest form of the following switching circuit is

If \((1+i)\cdot (1+2i)\ldots \ldots \ldots (1+ni) = x+iy\) (Where \(i = \sqrt{-1}\) ), then the value of \((2)\cdot (5)\cdot (10)\ldots \ldots \ldots (1+n^2)\)

The number of arrangements of the numbers strictly between 10 and 1000 formed with the digits 0, 1, 2, 3, 4, 5, 6 without repetition is

The value of \(\frac{sin^23A}{sin^2A}-\frac{cos^23A}{cos^2A}\) is

If \(4ab = 3h^2\), then the ratio of the slopes of the lines represented by \(ax^2+2hxy+by^2 = 0\) is...

If \(0\leq x\leq \frac{π}{2}\) , then the number of values of \(x\) for which \(sinx-sin2x+sin3x = 0\) is

The number of lines passing through A (3, 4) and the sum of whose non-zero intercepts is zero is (are)

A ball is thrown in the air. Its height at any time \(t\) is given by \(h = 3+14t-5t^2\), then the maximum height it can reach

The probability that event A happens in a trial is 0.4. If three independent trials are made, then the probability that A happens at least once is.......

The distance of the point \((1,0,-3)\) from the plane \(x-y-z = 9\) measured parallel to the line \(\frac{x-2}{2} = \frac{y+2}{3} = \frac{z-6}{-6}\) is

If the lines \(x = -1+s\), \(y = 3-λs\), \(z = 1+λs\) and \(x = \frac{t}{2}\), \(y = 1+t\), \(z = 2-t\) with parameters s and t, are coplanar, then \(λ =\)

For the following probability distribution, the standard deviation of the random variable X is

X	2	3	4
p(X=\(x\))	0.2	0.5	0.3

The difference between the maximum and minimum values of the objective function \(Z = 3x+5y\), subject to the constraints \(x+3y\leq 60\), \(x+y\geq 10\), \(x-y\leq 0\), \(x,y\geq 0\) is

A random variable X has the following probability distribution

X	1	2	3	4	5	6	7	8
P(X=\(x\))	0.15	0.23	0.12	0.10	0.20	0.08	0.07	0.05

For the event E = { X is a prime number } and F = { X < 4 }, P(E\(\cup\)F) =

The equation of the plane passing through the point \((1,2,1)\) and perpendicular to the planes \(x+2y+2z-7 = 0\) and \(3x+3y+2z-5 = 0\) is

If the lines \(\overset{⃗}{r} = (\hat{i}+m\hat{j}+3\hat{k})+λ(2\hat{i}+3\hat{j}+4\hat{k})\) and \(\overset{⃗}{r} = (4\hat{i}+\hat{j})+μ(5\hat{i}+m\hat{j}+\hat{k})\) intersect each other, then m =