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English > Maths > All > Official Sample Paper Cbse 2022

Question

Level

Action

If $${A}=[{a}_{{ij}}]$$ is a skew-symmetric matrix of order $${n}$$, then
......

Level 1

If $${A}$$ is a square matrix of order $$3,|A^{\prime}|=-3$$, then $$|A A^{\prime}|=$$
......

Level 1

The area of a triangle with vertices $${A}, {B}, {C}$$ is given by
......

Level 1

If $${m}$$ and $${n}$$, respectively, are the order and the degree of the differential equation
$$\......

Level 1

The scalar projection of the vector $$3 \hat{i}-\hat{j}-2 \hat{k}$$ on the vector $$\hat{i}+2 \hat{j......

Level 1

If $${A}, {B}$$ are non-singular square matrices of the same order, then $$(A B^{-1})^{-1}=$$
......

Level 1

Given two independent events $${A}$$ and $${B}$$ such that $${P}({A})=0.3, {P}({B})=0.6$$ and $${P}(......

Level 1

The general solution of the differential equation $$y d x-x d y=0$$ is
......

Level 1

$$P$$ is a point on the line joining the points $$A(0,5,-2)$$ and $$B(3,-1,2)$$. If the $$x$$-coordi......

Level 1

$$\text {Assertion (A): The domain of the function }\sec ^{-1} 2 x is (-\infty,-\frac{1}{2}] \cup[\f......

Level 1

The value of $${k}$$ for which the function
![](http://admin.getprephub.com/media/editor/Screenshot......

Level 1

The corner points of the shaded unbounded feasible region of an LPP are $$(0,4)$$, $$(0.6,1.6)$$ and......

Level 1

If ![](http://admin.getprephub.com/media/editor/mh12_20221009205411139135.png), then the possible va......

Level 1

If $${A}$$ is a square matrix of order 3 and $$|{A}|=5$$, then $$|{adj} A|=$$
......

Level 1

If two vectors $$\vec{a}$$ and $$\vec{b}$$ are such that $$|\vec{a}|=2,|\vec{b}|=3$$ and $$\vec{a} \......

Level 1

Assertion (A): The acute angle between the line $$\bar{r}=\hat{i}+\hat{i}+2 \hat{k}+\lambda(\hat{i}-......

Level 1