Class 8 Practice – Level 3 – Set 2 – Rational Numbers Leave a Comment / By Gulam Hamza / November 6, 2024 Class 8 Practice – Level 3 – Set 2 – Rational Numbers Total questions: 15 1. 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 2. Which of the following is a rational number? Topic: Introduction to Rational Numbers $ \sqrt{2} $ $ \dfrac{3}{0} $ $ \dfrac{7}{4} $ $ \pi $ None 3. 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 4. 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 5. 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 6. 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 7. 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 8. 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 9. 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 Time's up
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