Rational Numbers MCQ Questions for Class 8 Math's Chapter 1 with Answers

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All questions answers in the last paragraph

Q1. The multiplicative inverse of 1/2 is

(A) 1
(B) -1
(C) 2
(D)0

Q2. Which of the following statements is false ?

(A) Natural numbers are closed under subtraction
(B) Whole numbers are not closed under subtraction
(C) Integers are closed under subtraction
(D)Rational numbers are closed under subtraction.

Q3. Find the multiplicative inverse of -13.

(A) 13
(B) -13
(C) -1/13
(D)12

Q4. A rational number can be represented in the form of:

(A) p/q
(B) pq
(C) p+q
(D)p-q

Q5. The additive identity of rational numbers is:

(A) 0
(B) 1
(C) 2
(D)-1

Q6. Which of the following statements is true?

(A) Natural numbers are closed under division.
(B) Whole numbers are not closed under division.
(C) Integers are closed under division.
(D)Rational numbers are closed under division.

Q7. a(b + c) = ab + ac is called

(A) commutative law
(B) associative law
(C) distributive law
(D)none of these.

Q8. Which of the following statements is true?

(A) Every fraction is a rational number.
(B) Every rational number is a fraction.
(C) Every integer is a rational number.
(D)Both (A) and (C).

Q9. A number which can be written in the form, p/q where p and q are integers and _ is called a rational number.

(A) q = 0
(B) q ≠ 0
(C) q = 1
(D)none of these

Q10. Find the reciprocal of -2.

(A) 2
(B) -2
(C) -1/2
(D)None of these

Q11. The associative property is applicable to:

(A) Addition and subtraction
(B) Multiplication and division
(C) Addition and Multiplication
(D)Subtraction and Division

Q12. 0 is not

(A) a natural number
(B) a whole number
(C) an integer
(D)a rational number.

Q13. (a + b) + c = a + (b + c) is called

(A) commutative law for multiplication
(B) commutative law for addition
(C) associative law for addition
id) associative law for multiplication.

Q14. The value of ½ x ⅗ is equal to:

(A) ½
(B) 3/10
(C) ⅗
(D)⅖

Q15. Which of the following is the reciprocal of the reciprocal of a rational number?

(A) -1
(B) 1
(C) 0
(D)The number itself

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All questions answers

QUESTIONS NO :	ANSWERS :
1	(C)
2	(A)
3	(C)
4	(A)
5	(A)
6	(C)
7	(C)
8	(D)
9	(B)
10	(C)
11	(C)
12	(A)
13	(C)
14	(B)
15	(D)

Rational Numbers MCQ Questions for Class 8 Math’s Chapter 1 with Answers