Free Printable KV JETPUR CLASS 10th REAL NUMBERS QUIZ 1

1.

Non-terminating and non-recurring decimals are called irrational numbers.

a)

True

b)

False

2.

The rational number among the following is _______.

a)

\sqrt{44}

b)

$\sqrt{122}$

c)

$\sqrt{121}$

d)

$\sqrt{32}$

3.

Which of the following decimal expansion is irrational :

a)

2.3\overline{45}

b)

$2.110110011.............$

c)

$12.36$

d)

$\sqrt{225}$

4.

Which of the following irrational numbers lies between

3 and 5?

a)

\sqrt{7}

b)

$\sqrt{11}$

c)

$\sqrt{34}$

d)

$\sqrt{0.16}$

5.

The decimal expansion of 144/400 is ____

a)

non Terminating

b)

non terminating recurring

c)

non terminating non recuriing

d)

terminating

6.

The value of π is approximately equal to 22/7.

a)

true

b)

false

7.

statement 1st : 22/7 is a rational number.
statement 2nd : π is a rational number.

a)

both statements are true

b)

both statements are false

c)

1st is true and 2nd is false

d)

1st is false and 2nd is true

8.

The difference of an irrational number and a rational number is an irrational number.

a)

true

b)

false

9.

The square root of a positive integer is a rational number.

a)

true

b)

false

10.

The number of rational numbers between any two consecutive whole numbers is ____.

a)

one

b)

two

c)

three

d)

infinite

11.

Every point on the number line is of the form √k, where k is a natural number.

a)

true

b)

false

12.

If two positive integers a and b are written as a p3q2 and

b = pq3; p, q are prime numbers, then HCF (a, b) is:

a)

pq

b)

$pq^2$

c)

$p^3q^2$

d)

$p^2q$

13.

The product of a non-zero number and an irrational number is:

a)

always irrational

b)

always rational

c)

rational or irrational

d)

0

14.

prime factors of 60 is

a)

2 x 3 x 10

b)

2 x 2 x 15

c)

2 x 2 x 3 x 5

d)

2 x 5 x 6

15.

HCF(a,b) x LCM(a,b) =

a)

a x a

b)

a + b

c)

a x b

d)

2a x 2b

16.

Euclid’s division algorithm = ...

a)

a = bq + r

b)

a = br + q

c)

a = b +q + r

d)

ab = q + r

17.

$\sqrt{3}$ is an irrational number.

a)

true

b)

false

18.

HCF(6,20) = 2

then LCM(6,20) = ?

a)

2

b)

60

c)

120

d)

80

19.

in Euclid’s algorithm value of r

a = bq + r

a)

0 ≤ r < a

b)

0 < r < b

c)

0 ≤ r > b,

d)

0 ≤ r < b

KV JETPUR CLASS 10th REAL NUMBERS QUIZ 1

Total questions: 19

Worksheet time: 20mins

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