Number of ways of arranging 8 identical books into 4 identical shelves where any number of shelves may remain empty is equal to

1

If $\displaystyle \int \frac{\sin^{3/2}x+\cos^{3/2}x}{\sqrt{\sin^2 x,\cos^2 x},\sin(x-\theta)},dx = A\sqrt{\cos\theta,\…

Topic: JEE Main 2025 (29 January Evening Shift)

2

Let $A$ be the point of intersection of the lines $3x+2y=14$ and $5x-y=6$, and $B$ be the point of intersection of the …

Topic: JEE Main 2025 (29 January Evening Shift)

3

The distance of the point $(2,3)$ from the line $2x-3y+28=0$, measured parallel to the line $\sqrt{3},x-y+1=0$, is equa…

Topic: JEE Main 2025 (29 January Evening Shift)

4

Let a unit vector $\hat{\mathbf{u}}=x\mathbf{i}+y\mathbf{j}+z\mathbf{k}$ make angles $\dfrac{\pi}{2},\ \dfrac{\pi}{3}$ …

Topic: JEE Main 2025 (29 January Evening Shift)

5

The function $f(x)=\frac{x}{x^2-6 x-16}, x \in \mathbb{R}-\{-2,8\}$

Topic: JEE Main 2025 (29 January Evening Shift)

6

If $R$ is the smallest equivalence relation on the set ${1,2,3,4}$ such that ${(1,2),(1,3)}\subset R$, then the number …

Topic: JEE Main 2025 (29 January Evening Shift)

7

The mean and variance of five observations are $\dfrac{24}{5}$ and $\dfrac{194}{25}$ respectively. If the mean of the f…

Topic: JEE Main 2025 (29 January Evening Shift)

8

Let $P(3,2,3)$, $Q(4,6,2)$ and $R(7,3,2)$ be the vertices of $\triangle PQR$. The angle $\angle QPR$ is:

Topic: JEE Main 2025 (29 January Evening Shift)

9

Let $y=\log_e!\left(\dfrac{1-x^2}{1+x^2}\right)$, with $-1

Topic: JEE Main 2025 (29 January Evening Shift)

10

If $\log_e a,;\log_e b,;\log_e c$ are in an A.P. and $\log_e a-\log_e(2b),;\log_e(2b)-\log_e(3c),;\log_e(3c)-\log_e a$ …

Topic: JEE Main 2025 (29 January Evening Shift)