Class 10 Maths Real Numbers MCQ Online Test | 25+ Important Questions for Practice

Practice with these 25 important multiple choice questions from Chapter 1 – Real Numbers. Based on NCERT Class 10 Maths syllabus, these will help strengthen your concepts for board exams.

1. What is the HCF of 96 and 404?
   a) 4
   b) 2
   c) 8
   d) 12
2. Which of the following is an irrational number?
   a) 7/8
   b) √2
   c) 1.25
   d) 4.5
3. Euclid’s Division Lemma states that a = bq + r, where r must satisfy:
   a) r > b
   b) 0 ≤ r < b
   c) r ≥ b
   d) r < 0
4. The decimal expansion of 13/125 is:
   a) Terminating
   b) Non-terminating repeating
   c) Irrational
   d) None
5. LCM × HCF = Product of numbers. This property is valid for:
   a) 3 numbers
   b) Rational numbers
   c) Irrational numbers
   d) 2 positive integers
6. What is the HCF of 65 and 117?
   a) 1
   b) 13
   c) 5
   d) 9
7. √3 is:
   a) Rational
   b) Irrational
   c) Integer
   d) Whole number
8. The decimal expansion of a rational number is either terminating or:
   a) Infinite
   b) Irrational
   c) Non-terminating repeating
   d) Non-repeating
9. HCF of 6 and 20 is:
   a) 1
   b) 2
   c) 4
   d) 6
10. If a number’s decimal expansion terminates, its denominator (after reducing) must have:
    a) only prime factors 2 and 5
    b) any prime factor
    c) even numbers
    d) odd numbers only
11. What is the LCM of 12 and 15?
    a) 60
    b) 30
    c) 90
    d) 45
12. The number √5 is:
    a) Rational
    b) Irrational
    c) Integer
    d) Whole
13. Prime factorisation of 90 is:
    a) 2 × 3 × 5
    b) 2 × 3² × 5
    c) 3 × 5 × 6
    d) 3² × 2

14. Which of the following is not a prime number?
    a) 2
    b) 3
    c) 9
    d) 7
15. The Fundamental Theorem of Arithmetic states:
    a) Every number has multiple factorizations
    b) Every composite number can be factored uniquely
    c) Every prime number is divisible by 1
    d) None of the above
16. The product of HCF and LCM of 8 and 12 is:
    a) 48
    b) 96
    c) 24
    d) 60
17. Which of the following numbers has a non-terminating decimal expansion?
    a) 3/5
    b) 7/8
    c) 11/6
    d) 15/16
18. What is the HCF of two consecutive even numbers?
    a) 2
    b) 1
    c) 4
    d) Can't be determined
19. What is the LCM of 1 and any other number n?
    a) 1
    b) n
    c) 0
    d) None of these
20. √7 is a/an:
    a) Natural number
    b) Whole number
    c) Irrational number
    d) Rational number
21. Which pair of numbers are co-prime?
    a) 6, 9
    b) 8, 12
    c) 5, 9
    d) 10, 15
22. If two numbers are divisible by a number, then their sum is also divisible by:
    a) Their product
    b) Same number
    c) LCM
    d) HCF
23. What is the smallest prime number?
    a) 0
    b) 1
    c) 2
    d) 3
24. What is the sum of first two prime numbers?
    a) 3
    b) 4
    c) 5
    d) 6
25. Which of these is a rational number?
    a) √11
    b) √3
    c) 22/7
    d) π

Class 10 Maths Real Numbers MCQ Online Test

Looking for an interactive Class 10 Maths Real Numbers MCQ Online Test? You've come to the right place! Practice 25 handpicked multiple choice questions from the CBSE Class 10 Maths Chapter 1 – Real Numbers and check your answers instantly. This free online quiz is designed to strengthen your understanding of concepts like Euclid’s Division Lemma, Fundamental Theorem of Arithmetic, irrational numbers, HCF and LCM, and prime factorisation.

Table of Contents

• MCQ Quiz on Real Numbers
• Why Practice Real Numbers MCQ Online Test?
• Topics Covered in Class 10 Real Numbers
• FAQs on Class 10 Maths Chapter 1

Why Practice Class 10 Maths Chapter 1 MCQ Online?

Practicing Real Numbers MCQs regularly helps boost your confidence for school exams and competitive tests like NTSE. Online MCQ tests offer immediate feedback and help you identify weak areas. Our MCQs are based on NCERT textbook concepts and follow the latest CBSE exam pattern for 2025.

Topics Covered in Real Numbers Class 10 Quiz

• Euclid’s Division Lemma based questions
• HCF and LCM using Prime Factorisation
• Fundamental Theorem of Arithmetic
• Rational and Irrational Numbers
• Terminating and Non-Terminating Decimals

Each multiple choice question on real numbers is created by experts keeping in mind the most important concepts. You can retake the test as many times as you like to track your improvement.

Frequently Asked Questions (FAQs)

What is the best way to practice Class 10 Maths Real Numbers MCQ?

The best way is to solve topic-wise quizzes like this online test and evaluate your performance instantly. This ensures concept clarity and helps with exam preparation.

Is this Real Numbers MCQ test based on NCERT Class 10 book?

Yes, all questions in this quiz are curated strictly from NCERT Class 10 Maths Chapter 1 – Real Numbers, according to the latest CBSE 2025 syllabus.

Can I download Class 10 Maths MCQ PDF for Real Numbers?

Yes, you can check our blog regularly for PDF versions of important questions. We will also provide downloadable Class 10 Real Numbers MCQ PDFs soon.

Are these questions useful for CBSE Term 1 or Pre-Boards?

Definitely. These MCQs are useful for CBSE periodic tests, term 1 exams, pre-boards, and practice for final board exams.

Explore more:

• Class 10 Maths All Formulas Chapterwise
• Class 10 Chapter 1 Real Numbers Solutions
• Important Theorems of Class 10 Maths

Bookmark this page and practice regularly to score full marks in your CBSE Class 10 Maths exam

Prime Factorization Machine