This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the correct way to multiply fractions? A) Cross multiply. B) Find the least common denominator. C) Multiply all of the numbers together. D) Multiply top times top and bottom times bottom. Show Answer Correct Answer: D) Multiply top times top and bottom times bottom. 2. Classify the number (choose all that apply):3/4 A) Natural number. B) Whole number. C) Integer. D) Rational number. E) Irrational number. Show Answer Correct Answer: D) Rational number. 3. Which fraction is the same as 0.12 A) 1/2. B) 12/1, 000. C) 12/99. D) 3/25. Show Answer Correct Answer: D) 3/25. 4. There are ..... rational numbers between two rational numbers. A. Infinite B. Two C. One D. None of these A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 5. The Improper fraction of $2\\frac{5}{6}$ A) $\frac{12}{6}$. B) $\frac{18}{12}$. C) $\frac{17}{6}$. D) $\frac{15}{12}$. Show Answer Correct Answer: C) $\frac{17}{6}$. 6. Compare the following rational numbers $-0.5$ $-\frac{3}{5}$ A) >. B) <. C) =. D) None of the above. Show Answer Correct Answer: A) >. 7. Use the commutative property of multiplication to solve the equation.5 x 2 = 10, so ..... x 5 = 10 A) 10. B) 5. C) 2. D) 7. Show Answer Correct Answer: C) 2. 8. ..... is the multiplicative identity for rational numbers. A) 0. B) 1. C) -1. D) None of the above. Show Answer Correct Answer: B) 1. 9. Write the rational number whose denominator is the smallest 2 digit number and the numerator is the greatest 3 digit number. A) 999/100. B) 999/10. C) 99. D) 99/10. Show Answer Correct Answer: B) 999/10. 10. What is 3% as a decimal? A) 0.3. B) 3.0. C) 0.03. D) 30. Show Answer Correct Answer: C) 0.03. 11. The numbers 0, 1, 2, 3, ..... are called A) Whole numbers. B) Integers. C) Rational numbers. D) Natural numbers. Show Answer Correct Answer: A) Whole numbers. 12. -12.5(-2.4) A) 26.8. B) -30. C) 30. D) -26.8. Show Answer Correct Answer: C) 30. 13. Which number has no multiplicative inverse A) 1. B) -1. C) 1/0. D) 0. Show Answer Correct Answer: D) 0. 14. $-1\\frac{4}{5}\div2\\frac{1}{2}$ A) $-4\\frac{1}{2}$. B) $-\frac{18}{25}$. C) $4\\frac{1}{2}$. D) $\frac{18}{25}$. Show Answer Correct Answer: B) $-\frac{18}{25}$. 15. By what number should-33/8 be divided to get-11/2? A) 3/4. B) 4/3. C) -4/3. D) -3/4. Show Answer Correct Answer: A) 3/4. 16. Identify if the square root of 25 is a rational or irrational number. A) Rational. B) Irrational. C) Whole number. D) Natural number. Show Answer Correct Answer: A) Rational. 17. Which number is equal to it's reciprocal? A) 1/2. B) 1.6. C) 1. D) 44. Show Answer Correct Answer: C) 1. 18. The additive identity of rational numbers is: A) 0. B) 1. C) 2. D) -1. Show Answer Correct Answer: A) 0. 19. -9 is an integer A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Convert 0.12 to a fraction. A) 3/8. B) 4/5. C) 3/25. D) 4/25. Show Answer Correct Answer: C) 3/25. 21. $\frac{-8}{9}\div\left(\frac{-8}{9}\right)$ A) $-1$. B) $\frac{-64}{81}$. C) $\frac{64}{81}$. D) $1$. Show Answer Correct Answer: D) $1$. 22. What is the decimal equivalent of $\frac{4}{25}$ A) 16%. B) 0.16. C) 1.6. D) 0.08. Show Answer Correct Answer: B) 0.16. 23. What is 0.507 as a fraction? A) $\frac{57}{1, 000}$. B) $\frac{507}{1, 000}$. C) $\frac{507}{100}$. D) $\frac{57}{100}$. Show Answer Correct Answer: B) $\frac{507}{1, 000}$. 24. Integers are ..... rational. A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: A) Always. 25. The additive inverse of $\frac{5}{7}$ A) $\frac{7}{5}$. B) $\frac{-5}{7}$. C) $\frac{-5}{-7}$. D) $\frac{-7}{5}$. Show Answer Correct Answer: B) $\frac{-5}{7}$. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 8 Rational Numbers Quiz 1Class 7 Mathematics Chapter 8 Rational Numbers Quiz 2Class 7 Mathematics Chapter 8 Rational Numbers Quiz 3Class 7 Mathematics Chapter 8 Rational Numbers Quiz 4Class 7 Mathematics Chapter 8 Rational Numbers Quiz 5Class 7 Mathematics Chapter 8 Rational Numbers Quiz 6Class 7 Mathematics Chapter 8 Rational Numbers Quiz 7Class 7 Mathematics Chapter 8 Rational Numbers Quiz 8Class 7 Mathematics Chapter 8 Rational Numbers Quiz 9Class 7 Mathematics Chapter 8 Rational Numbers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books