Real Numbers - worksheet1-10th Class - multiple choice questions- english medium

Class 10 Mathematics Quiz

Real Numbers (Telangana SSC)

1. Which of the following is an irrational number?

0.25
3/5
√7
2

2. According to Euclid's Division Lemma, the remainder satisfies

r ≥ b
0 ≤ r < b
r > b
r = b

3. HCF of 72 and 120 is

12
24
18
36

4. Terminating decimals have denominator containing only

2 and 5
3 and 5
2 and 3
5 and 7

5. Which has terminating decimal expansion?

7/12
5/8
11/15
13/18

6. √2 is

Rational
Irrational
Natural
Whole

7. Fundamental Theorem of Arithmetic states

Every integer has one factor
Every composite number has unique prime factorization
Every number is prime
Every number is even

8. Decimal expansion of 13/99 is

Terminating
Recurring
Irrational
Whole

9. HCF of two prime numbers is

0
1
Prime itself
Product

10. log₁₀(1)=

1
10
0
Undefined

11. log₁₀(10)=

0
10
1
2

12. Which law is correct?

log(ab)=loga+logb
log(ab)=loga×logb
log(ab)=loga−logb
None

13. Which is a rational number?

√5
π
0.125
√11

14. Which has recurring decimal?

3/8
5/16
2/11
9/20

15. Decimal expansion of every rational number is

Always terminating
Terminating or recurring
Always irrational
Never recurring

16. HCF of 84 and 126 is

14
42
21
28

17. If log100=2 then log1000=

2
1
3
4

18. Which statement is true?

Every irrational number is real.
Every real number is irrational.
Every whole number is irrational.
None

19. Prime factorization of 60 is

2²×3×5
2×3×5
2³×5
3×4×5

20. Which is NOT a real number?

√16
−7
π
None of these