# Rational Numbers – Chapter 1/ MCQ

**CBSE CLASS 8 MATHEMATICS **

**Rational Numbers – Chapter 1/ MCQ**

**Multiple Choice Questions.**

**Choose the correct answers from the options given below:**

**1. Which is the multiplicative inverse of 0.5?**

A. 5/10

B. 10/5

C. 5

**2. The reciprocal of -1 is ——————**

A. 1

B. -1

C. 0

**3. For any three rational numbers a, b and c, a x (b x c) = (a x b) x c. This property is known as ————–**

A. Commutative property

B. Associative property

C. Distributive property

**4. The product of ½ and -1/4 is ———–**

A. 1/8

B. -1/8

C. -2

**5. Which is called the identity for the addition of rational numbers, integers and whole numbers?**

A. Zero

B. 1

C. -1

**6. The reciprocal of the reciprocal of 9 is ————–**

A. 1/9

B. 9

C. 1

**7. Additive inverse of ¼ is ———-**

A. ¼

B. -1/4

C. 48.

**8. The reciprocal of -3/4 is ————**

A. -3/4

B. ¾

C. -4/3

**9. The rational number which when added to it gives the same number is —————**–

A. 1

B. -1

C. 0

**10. Which of the following is known as Distributivity of Multiplication over subtraction?**

A. For all rational numbers a, b and c, a (b-c) = ab – ac

B. For all rational numbers a, b and c, a (b+ c) = ab + ac

C. For all rational numbers a, b and c, a x (b x c) = (a x b) x c.

**11. The product of two rational numbers is always a ————-**

A. Rational number

B. Irrational number

C. Whole number

**12. The reciprocal of a negative rational number is ——–**–

A. Positive

B. Negative

C. One

**13. The rational number that is equal to its negative is ———-**

A. 0

B. 1

C. -1

**14. The rational number that does not have a reciprocal is ——-**

A. 0

B. 1

C. -1

**15. Which of the following is a rational number between 1 and -1?**

A. ½

B. 3/2

C.-3/2

**ANSWERS**:

**1. 10/5**

**2. -1**

**3. Associative property**

**4. -1/8**

**5. Zero**

**6. 9**

**7. -1/4**

**8. -4/3 **

**9. 0**

**10. For all rational numbers a, b and c, a (b – c) = ab – ac.**

**11. Rational number**

**12. Negative**

**13. 0**

**14. 0**

**15. ½.**