Quiz about Official Sample Paper Basic Cbse 2022

Question 1

If two positive integers $$p$$ and $$q$$ can be expressed as $$p=a b^2$$ and $$q=a^3 b ; a, b$$ being prime numbers, then $${LCM}(p, q)$$ is

Accepted Answer

Covalent bond

Answer

$$a^3 b^2$$

Answer

$$a b$$

Answer

$$a^2 b^2$$

Answer

$$a^3 b^3$$

Question 2

What is the greatest possible speed at which a man can walk $$52 {~km}$$ and $$91 {~km}$$ in an exact number of hours?

Accepted Answer

Covalent bond

Answer

$$13 {~km} /$$ hours

Answer

$$17 {~km} /$$ hours

Answer

$$7 {~km} /$$ hours

Answer

$$26 {~km} /$$ hours

Question 3

If one zero of the quadratic polynomial $$x^2+3 x+k$$ is $$2$$ , then the value of $$k$$ is

Accepted Answer

Covalent bond

Answer

$$-10$$

Answer

$$10$$

Answer

$$5$$

Answer

$$-5$$

Question 4

Graphically, the pair of equations given by
$$6 x-3 y+10=0$$
$$2 x-y+9=0$$
represents two lines which are

Accepted Answer

Covalent bond

Answer

parallel.

Answer

intersecting at exactly one point.

Answer

coincident.

Answer

intersecting at exactly two points.

Question 5

If the quadratic equation $$x^2+4 x+k=0$$ has real and equal roots, then

Accepted Answer

Covalent bond

Answer

$$k=4$$

Answer

$${k}<4$$

Answer

$$k>4$$

Answer

$${k} \geq 4$$

Official Sample Paper Basic Cbse 2022 Cbse Class 10 Maths Problems and Solutions