Class 8 Practice – Level 3 – Set 2 – Rational Numbers

Total questions: 15

Which of the following is the correct order of the rational numbers $ \dfrac{5}{8}, \dfrac{-3}{7}, \dfrac{4}{5}, \dfrac{-1}{4} $ from the smallest to the largest?

Topic: Comparison of Rational Numbers

$ \dfrac{-3}{7}, \dfrac{-1}{4}, \dfrac{5}{8}, \dfrac{4}{5} $

$ \dfrac{-3}{7}, \dfrac{4}{5}, \dfrac{5}{8}, \dfrac{-1}{4} $

$ \dfrac{5}{8}, \dfrac{-3}{7}, \dfrac{4}{5}, \dfrac{-1}{4} $

$ \dfrac{-1}{4}, \dfrac{-3}{7}, \dfrac{5}{8}, \dfrac{4}{5} $

None

Which of the following is a rational number?

Topic: Introduction to Rational Numbers

$ \sqrt{2} $

$ \dfrac{3}{0} $

$ \dfrac{7}{4} $

$ \pi $

None

Perform the operation $ \dfrac{5}{12} + \dfrac{7}{18} - \dfrac{2}{9} $.

Topic: Operations on Rational Numbers

$ \dfrac{3}{8} $

$ \dfrac{5}{12} $

$ \dfrac{1}{4} $

$ \dfrac{9}{12} $

None

Which of the following properties holds true for rational numbers?

Topic: Properties of Rational Numbers

Closure Property under Division

Commutative Property of Subtraction

Distributive Property of Multiplication over Addition

None of the above

None

Find a rational number between $ \dfrac{1}{3} $ and $ \dfrac{1}{2} $.

Topic: Rational Numbers between Two Rational Numbers

$ \dfrac{2}{5} $

$ \dfrac{3}{7} $

$ \dfrac{4}{7} $

$ \dfrac{5}{9} $

None

What is the reciprocal of $ \dfrac{5}{7} $?

Topic: Reciprocal of a Rational Number

$ \dfrac{7}{5} $

$ \dfrac{5}{7} $

$ -\dfrac{7}{5} $

$ -\dfrac{5}{7} $

None

Where is the rational number $ \dfrac{3}{4} $ located on a number line?

Topic: Representation of Rational Numbers on a Number Line

Between 0 and 1

Between 1 and 2

Between -1 and 0

Between -1 and -2

None

Which of the following represents $ \dfrac{12}{16} $ in its standard form?

Topic: Standard Form of a Rational Number

$ \dfrac{3}{4} $

$ \dfrac{4}{5} $

$ \dfrac{6}{8} $

$ \dfrac{12}{8} $

None

Which of the following rational numbers is the largest among $ \dfrac{-5}{7}, \dfrac{3}{5}, \dfrac{4}{9}, \dfrac{-2}{3} $?

Topic: Comparison of Rational Numbers

$ \dfrac{3}{5} $

$ \dfrac{-5}{7} $

$ \dfrac{-2}{3} $

$ \dfrac{4}{9} $

None

10.

Which of the following is an example of an irrational number?

Topic: Introduction to Rational Numbers

$ \dfrac{2}{3} $

$ \dfrac{-5}{6} $

$ \sqrt{3} $

$ 7 $

None

11.

Find the result of $ \dfrac{-3}{5} \times \dfrac{2}{7} $.

Topic: Operations on Rational Numbers

$ \dfrac{6}{35} $

$ \dfrac{-6}{35} $

$ \dfrac{6}{12} $

$ \dfrac{-6}{12} $

None

12.

Which of the following properties does NOT apply to rational numbers?

Topic: Properties of Rational Numbers

Commutative Property of Addition

Associative Property of Multiplication

Identity Property of Addition

Closure Property under Division

None

13.

Find a rational number between $ \dfrac{2}{5} $ and $ \dfrac{3}{5} $.

Topic: Rational Numbers between Two Rational Numbers

$ \dfrac{7}{10} $

$ \dfrac{6}{10} $

$ \dfrac{5}{10} $

$ \dfrac{1}{2} $

None

14.

What is the reciprocal of $ \dfrac{-5}{8} $?

Topic: Reciprocal of a Rational Number

$ \dfrac{8}{-5} $

$ \dfrac{5}{8} $

$ -\dfrac{8}{5} $

$ \dfrac{-5}{8} $

None

15.

Which of the following is the standard form of $ \dfrac{12}{20} $?

Topic: Standard Form of a Rational Number

$ \dfrac{3}{5} $

$ \dfrac{6}{10} $

$ \dfrac{2}{3} $

$ \dfrac{1}{3} $

None

1 out of 15

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Class 8 Practice – Level 3 – Set 2 – Rational Numbers

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