Let $N$ be the sum of the numbers appeared when two fair dice are rolled and let the probability that $N-2,\ \sqrt{3N},\ N+2$ are in geometric progression be $\dfrac{k}{48}$. Then the value of $k$ is:

1

The number of functions $f:\{1,2,3,4\}\to \{\,a\in \mathbb{Z}\mid |a|\le 8\,\}$ satisfying $f(n)+\dfrac{1}{n}f(n+1)=1…

Topic: JEE Main 2023 (25 January Evening Shift)

2

The foot of the perpendicular from the point $(2,0,5)$ on the line $\dfrac{x+1}{2}=\dfrac{y-1}{5}=\dfrac{z+1}{-1}$ is …

Topic: JEE Main 2023 (25 January Evening Shift)

3

The equations of two sides of a variable triangle are $x=0$ and $y=3$, and its third side is a tangent to the parabola …

Topic: JEE Main 2023 (25 January Evening Shift)

1

Let $A,B,C$ be $3\times 3$ matrices such that $A$ is symmetric and $B$ and $C$ are skew-symmetric. Consider the state…

Topic: JEE Main 2023 (25 January Evening Shift)

2

If the function $f(x) = \left\{ {\matrix{ {(1 + |\cos x|)^{\lambda \over {|\cos x|}}} & , & {0 < x < {\pi \over 2}}…

Topic: JEE Main 2023 (25 January Evening Shift)

3

The shortest distance between the lines $x+1=2y=-12z$ and $x=y+2=6z-6$ is:

Topic: JEE Main 2023 (25 January Evening Shift)

4

Let $T$ and $C$ respectively be the transverse and conjugate axes of the hyperbola $16x^{2}-y^{2}+64x+4y+44=0$. The…

Topic: JEE Main 2023 (25 January Evening Shift)

5

Let the function $f(x)=2x^{3}+(2p-7)x^{2}+3(2p-9)x-6$ have a maxima for some value of $x0$. Then, the set of all valu…

Topic: JEE Main 2023 (25 January Evening Shift)

6

Let $z$ be a complex number such that $\left|\dfrac{z-2i}{z+i}\right|=2,\ z\ne -i$. Then $z$ lies on the circle of ra…

Topic: JEE Main 2023 (25 January Evening Shift)

7

$ \text{The integral } 16 \int_{1}^{2} \frac{dx}{x^{3}(x^{2}+2)^{2}} \text{ is equal to:}$

Topic: JEE Main 2023 (25 January Evening Shift)

8

Let $f:\mathbb{R}\to\mathbb{R}$ be a function defined by $f(x)=\log_{\sqrt{m}}\!\left(\sqrt{2}(\sin x-\cos x)+m-2\righ…

Topic: JEE Main 2023 (25 January Evening Shift)

9

The number of numbers, strictly between 5000 and 10000 can be formed using the digits 1, 3, 5, 7, 9 without repetition,…

Topic: JEE Main 2023 (25 January Evening Shift)

10

Let $y=y(t)$ be a solution of the differential equation $\dfrac{dy}{dt}+\alpha y=\gamma e^{-\beta t}$ where $\alpha>0$,…

Topic: JEE Main 2023 (25 January Evening Shift)