# Class 8 Maths Chapter 1 Rational Numbers MCQ

CBSE CLASS 8 MATHEMATICS / MCQ

Multiple Choice Questions/ RATIONAL NUMBERS – Chapter 1

1. A number which can be written in the form p/q, where p and q are integers and q is not equal to zero is called a —————–

A. Rational numbers

B. Irrational numbers

C. Integers

2. For any rational number a, a divided by zero is ————

A. Zero

B. a

C. not defined

3. For ant two rational numbers a and b, a +b = b +a is known as ————

A. Commutativity of addition

B. Associativity

C. Distributive property

4. Which number is called the identity for the addition of rational numbers?

A. One

B. Zero

C. -1

5. Which is the multiplicative identity for rational numbers?

A. One

B. Zero

C. -1

6. Additive inverse of 2 is ——–

A. 2

B. -2

C. 0

7. Which number has no reciprocal?

A. One

B. Zero

C. -1

8. Additive Inverse of -7/19 is ————-

A. 19/7

B. -7/19

C. 7/19

9. The number of rational numbers between two rational numbers is ———-

A. definite

B. not definite

C. One

10. Rational numbers are ——- under the operations of addition, subtraction and multiplication.

A. Closed

B. Not closed

C. None of these.

11. ———- is neither a positive nor a negative rational number.

A. Zero

B. One

C. -1

12. The value of -7/2 x -1/7 is —————

A. ½

B. -1/2

C. 2

13. Which of the following lies between -1 and 0?

A. ½

B. -1/2

C. 3/2

14. The multiplicative inverse of -3/5 is ————-

A. 3/5

B. -3/5

C. -5/3

15. The number which has its own reciprocal is —————-

A. Zero

B. One

C. Two

**ANSWERS:**

1. Rational number

2. Not defined

3. Commutativity of addition

4. Zero

5. One

6. -2

7. Zero

8. 7/19

9. Not definite

10. Closed

11. Zero

12. ½

13. -1/2

14. -5/3

15. One