# CBSE Class 10 Maths Chapter 1 Real Numbers MCQ

CBSE CLASS 10 MATHEMATICS / MCQ | Multiple Choice Questions / REAL NUMBERS –Chapter 1

1. Every ———— can be written as the product of powers of primes.

A. Prime numbers
B. Composite numbers
C. Real numbers

2. For any two positive integers a and b, HCF (a, b) x LCM (a, b) = ————-

A. a + b
B. a x b
C. a – b

3. The product of three numbers is ———- to the product of three numbers HCF and LCM.

A. equal
B. not equal
C. greater

4. The sum or difference of a rational and an irrational number is ———-

A. rational
B. irrational
C. real

5. The decimal expansion of every ————- is either terminating or non-terminating repeating.

A. rational number
B. irrational number
C. real number

6. The product of a rational and irrational number is ————–

A. rational
B. irrational
C. complex

7. Every positive even integer is of the form ——–, where q is some integer.

A. q
B. 2q
C. 2q + 1

8. Every positive odd integer is of the form ———–, where q is some integer.

A. q
B. 2q
C. 2q + 1

9. The product and quotient of a non-zero rational and irrational number is —–

A. rational
B. irrational
C. real

10. 17/8 has a ————- decimal expansion.

A. Terminating
B. Non terminating repeating
C. None of these.

11. 29/343 has a ——– decimal expansion.

A. Terminating
B. Non terminating repeating
C. None of these.

12. HCF of 4052 and 12576 is ————-

A. 4
B. 5
C. 6

13. If HCF (306, 657) = 9 then LCM (306, 657) is —————–

A. 201042
B. 22338
C. 963

14. If p, q are two consecutive natural numbers, then HCF (p, q) is ——-

A. P
B. q
C. 1

15. A number s is called ————- if it cannot be written in the form p/q ,where p and q are integers and q not equal to zero.

A. rational
B. irrational
C. complex

1. Composite number
2. a x b
3. Not equal
4. Irrational
5. Rational number
6. Irrational
7. 2q
8. 2q + 1
9. Irrational
10. Terminating
11. Non terminating repeating
12. 4
13. 22338
14. 1
15. Irrational