Quiz about Official Sample Paper Standard Cbse 2022

Question 1

Let $$p$$ be a prime number. The quadratic equation having its roots as factors of $$p$$ is

Accepted Answer

Covalent bond

Answer

$${x}^2-({p}+1) {x}+{p}=0$$

Answer

$${x}^2-{px}+{p}=0$$

Answer

$${x}^2+(p+1) x+p=0$$

Answer

$$x^2-p x+p+1=0$$

Question 2

Let $$a$$ and $$b$$ be two positive integers such that $$a=p^3 q^4$$ and $$b=p^2 q^3$$, where $$p$$ and $$q$$ are prime numbers. If $$H C F(a, b)=p^{{m}} {q}^{{n}}$$ and $${LCM}({a}, {b})={p}^{{r}} {q}^{{s}}$$, then $$({m}+{n})({r}+{s})=$$

Accepted Answer

Covalent bond

Answer

$$35$$

Answer

$$15$$

Answer

$$30$$

Answer

$$72$$

Question 3

Statement $$A$$ (Assertion): If the co-ordinates of the mid-points of the sides $${AB}$$ and $${AC}$$ of $$	riangle {ABC}$$ are $${D}(3,5)$$ and $${E}(-3,-3)$$ respectively, then $${BC}=20$$ units
Statement R(Reason) : The line joining the mid points of two sides of a triangle is parallel to the third side and equal to half of it.

Accepted Answer

Covalent bond

Answer

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A)

Answer

Both assertion (A) and reason (R) are true and reason $$(R)$$ is not the correct explanation of assertion (A)

Answer

Assertion (A) is true but reason(R) is false.

Answer

Assertion (A) is false but reason(R) is true.

Question 4

Statement $$A$$ (Assertion): If product of two numbers is $$5780$$ and their $${HCF}$$ is $$17$$ , then their $${LCM}$$ is $$340$$
Statement $$R$$(Reason): $${HCF}$$ is always a factor of $$LCM$$

Accepted Answer

Covalent bond

Answer

Both assertion (A) and reason (R) are true and reason $$(R)$$ is not the correct explanation of assertion (A)

Answer

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A)

Answer

Assertion (A) is true but reason (R) is false.

Answer

Assertion (A) is false but reason (R) is true.

Question 5

If $$5 	an \beta=4$$, then $$\frac{5 \sin \beta-2 \cos \beta}{5 \sin \beta+2 \cos \beta}=$$

Accepted Answer

Covalent bond

Answer

$$1 / 3$$

Answer

$$2 / 5$$

Answer

$$3 / 5$$

Answer

$$6$$

Cbse Board Question Paper 2022 Official Sample Paper Standard Cbse 2022 Cbse Class 10 Maths Problems and Solutions