CBSE Class 8 Maths Rational Numbers Quiz 1

1. Which of the following statements is false?

A Natural numbers are closed under addition B Whole numbers are closed under addition C Integers are closed under addition D Rational numbers are not closed under addition.

2. 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.

3. Which of the following statements is true?

A Natural numbers are closed under multiplication B Whole numbers are not closed under multiplication C Integers are not closed under multiplication D Rational numbers are not closed under multiplication.

4. 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.

5. Which of the following statements is false?

A Natural numbers are commutative for addition B Whole numbers are commutative for addition C Integers are not commutative for addition D Rational numbers are commutative for addition.

6. Which of the following statements is true?

A Natural numbers are commutative for subtraction B Whole numbers are commutative for subtraction C Integers are commutative for subtraction D Rational numbers are not commutative for subtraction.

7. Which of the following statements is false?

A Natural numbers are commutative for multiplication B Whole numbers are commutative for multiplication C Integers are not commutative for multiplication D Rational numbers are commutative for multiplication.

8. Which of the following statements is true?

A Natural numbers are commutative for division B Whole numbers are not commutative for division C Integers are commutative for division D Rational numbers are commutative for division.

9. Which of the following statements is true?

A Natural numbers are associative for addition B Whole numbers are not associative for addition C Integers are not associative for addition D Rational numbers are not associative for addition.

10. Which of the following statements is true?

A Natural numbers are associative for subtraction B Whole numbers are not associative for subtraction C Integers are associative for subtraction D Rational numbers are associative for subtraction.