This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Rational Numbers > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Additive inverse of 2/5 is A) -2/5. B) -1/2. C) 5/2. D) 0. Show Answer Correct Answer: A) -2/5. 2. If a = 1/3 and b = 2/5, find the sum a + b in simplest form. A) 5/8. B) 9/20. C) 7/15. D) 11/15. Show Answer Correct Answer: D) 11/15. 3. When multiplying fractions you do what? A) KCF. 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. 4. What is the absolute value of |-7 |? A) -7. B) 7. C) -7 and 7. D) None of the above. Show Answer Correct Answer: B) 7. 5. What are integers? A) Negative numbers only. B) Positive numbers only. C) Negative numbers, positive numbers and 0. D) Don't know. Show Answer Correct Answer: C) Negative numbers, positive numbers and 0. 6. The multiplicative inverse of $3\frac{1}{3}$ A) 3. B) 0.3. C) 1/3. D) 10/3. Show Answer Correct Answer: B) 0.3. 7. Which of the following rational number does not have multiplicative inverse? A) -2. B) 6. C) 0. D) -1. Show Answer Correct Answer: C) 0. 8. $-8.6\\times\left(-0.07\right)$ A) 0.602. B) -0.602. C) -0.62. D) 6.02. Show Answer Correct Answer: A) 0.602. 9. Convert 7/5 to a percent. A) 60%. B) 140%. C) 220%. D) 80%. Show Answer Correct Answer: B) 140%. 10. How many rational numbers can you find between two given rational numbers A) 10. B) 1000. C) Infinite. D) None. Show Answer Correct Answer: C) Infinite. 11. Which of the following can be classified as a whole number? A) -3.5. B) 245. C) $\frac{5}{4}$. D) 0.66. Show Answer Correct Answer: B) 245. 12. Which decimal is equivalent to 5/9 A) 0.59. B) 0.5555 . C) 5.9. D) 0.5. Show Answer Correct Answer: B) 0.5555 . 13. What is the rational number equivalent to $\frac{-3}{7}$ A) $\frac{\text{9}}{\text{7}}$. B) $\frac{9}{21}$. C) $\frac{9}{-21}$. D) NONE OF THESE. Show Answer Correct Answer: C) $\frac{9}{-21}$. 14. If it is 85 degrees in California and-4 degrees in Nebraska, how many degrees warmer is it in California? A) -81. B) 81. C) 89. D) -89. Show Answer Correct Answer: C) 89. 15. Choose the set of numbers that would ONLY be classified as rational numbers. A) {0, 124, 3/8, 0.6}. B) {-2/3, 7.75, 8/16, 0.125}. C) {1, 7, 5, 0}. D) {3, -3, 16, -16}. Show Answer Correct Answer: B) {-2/3, 7.75, 8/16, 0.125}. 16. What is 0.3636 ..... written as a fraction? A) 4/11. B) 36/99. C) 36/100. D) 8/22. Show Answer Correct Answer: D) 8/22. 17. Which of the following statements about rational numbers is correct? A) All rational numbers are also whole numbers. B) All rational numbers are also integers. C) All rational numbers can be written in the form of a/b. D) Rational numbers cannot be negative. Show Answer Correct Answer: C) All rational numbers can be written in the form of a/b. 18. Convert 0.35 to a fraction. A) 3/5. B) 35/99. C) 3.5/100. D) 7/20. Show Answer Correct Answer: D) 7/20. 19. Which of the following has terminating decimal representation. A) 3/7. B) 45/11. C) 7/10. D) None of the above. Show Answer Correct Answer: C) 7/10. 20. Write two equivalent rational numbers of $\frac{-18}{96}$ A) $\frac{-3}{12}$ $\frac{-1}{12}$. B) $-\frac{3}{9}$ $-\frac{1}{7}$. C) $-\frac{9}{32}$ $-\frac{3}{16}$. D) $\frac{-2}{12}$ $-\frac{16}{3}$. Show Answer Correct Answer: C) $-\frac{9}{32}$ $-\frac{3}{16}$. 21. A rational number is defined as a number that can be expressed in the form of $\frac{p}{q}$ A) Q = 0. B) Her $ yune $. C) Her $ yune $. D) Q = 1. Show Answer Correct Answer: B) Her $ yune $. 22. Subtract 1/2 from 3/4. What is the result? A) 3/4. B) 1/3. C) 1/4. D) 1/2. Show Answer Correct Answer: C) 1/4. 23. Knyla runs a mile in 7.50 minutes. Daisy takes 1.30 times as long to run a mile. How long does it take Daisy to run a mile? A) 975 minutes. B) 6.20 minutes. C) 97.5 minutes. D) 9.75 minutes. Show Answer Correct Answer: D) 9.75 minutes. 24. Numbers like-3, -2, -1, 0, 1, 2, 3 are called A) Whole numbers. B) Natural numbers. C) Integers. D) Rational numbers. Show Answer Correct Answer: C) Integers. 25. The amount of vinegar that Melody used for a recipe can be written as a whole number. Which amount could it be? A) 2 1/3 tsp. B) -3.75 tsp. C) 1.5 tsp. D) 12/3 tsp. Show Answer Correct Answer: D) 12/3 tsp. 26. An integer that is less than zero A) Negative. B) Positive. C) All the above. D) None of the above. Show Answer Correct Answer: A) Negative. 27. In Star Wars, Han Solo completed the Kessel Run in 12 parsecs. Which subset of numbers does 12 belong? A) Rational. B) Natural, whole, integer. C) Natural, whole. D) Integer, rational. Show Answer Correct Answer: B) Natural, whole, integer. 28. Convert 0.6 to a fraction in simplest form. A) 4/5. B) 5/6. C) 3/5. D) 2/3. Show Answer Correct Answer: C) 3/5. 29. What properties, the following expressions show?2/3 + 4/5 = 4/5 + 2/3 A) Distributive property of addition of Rational numbers. B) Associative property of addition of Rational numbers. C) Closure property of addition of Rational numbers. D) Commutative property of addition of Rational numbers. Show Answer Correct Answer: D) Commutative property of addition of Rational numbers. 30. The standard form of $-\frac{48}{60}$ A) $-\frac{60}{48}$. B) $\frac{-4}{-5}$. C) $-\frac{4}{5}$. D) $\frac{48}{60}$. Show Answer Correct Answer: C) $-\frac{4}{5}$. 31. The number 4/7 and 12/21 are equal. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 32. If 2/9=4/b then the value of b is A) 9. B) 18. C) 8/9. D) -18. Show Answer Correct Answer: B) 18. 33. $2-\frac{1}{2}-\frac{3}{4}$ A) 7/5. B) 9/8. C) 3/4. D) 3/8. Show Answer Correct Answer: C) 3/4. 34. Every natural number is a rational number but every rational number needs not be a ..... A) Natural number. B) Rational number. C) All the above. D) None of the above. Show Answer Correct Answer: A) Natural number. 35. Which one of the following illustrates the Commutative Law of Addition? A) 5 + 7 = 10 + 2. B) 5 + 7 = 3 + 9. C) 5 + 7 = 7 + 5. D) 5 + 7 = 4 + 8. Show Answer Correct Answer: C) 5 + 7 = 7 + 5. 36. Solve the expression:-0.15 +-0.85 + 12.5 = ..... A) 13.5. B) 13.2. C) 11.5. D) 11.2. Show Answer Correct Answer: C) 11.5. 37. What is the recriprocal of 5 A) 5/1. B) 1/5. C) All the above. D) None of the above. Show Answer Correct Answer: B) 1/5. 38. Additive inverse of 2 is ..... A) 2. B) -2. C) 0. D) None of the above. Show Answer Correct Answer: B) -2. 39. Sam made three pies for herself and her four best friends. What fraction correctly represents how much pie each friend will get if they share the pies evenly? A) 3/5 of a pie. B) 3/4 of a pie. C) 1 pie each. D) 5/3 of a pie. Show Answer Correct Answer: A) 3/5 of a pie. 40. Which of the following is the reciprocal of the reciprocal of a rational number? A) 1. B) The number itself. C) 0. D) -1. Show Answer Correct Answer: B) The number itself. 41. What is the reciprocal of, 3/5 fraction? A) 1/3. B) Ans 5/3. C) -5/3. D) -3/5. Show Answer Correct Answer: B) Ans 5/3. 42. Order 2/3, 4/5, 8/15 and 3/5 from least to greatest A) 8/15, 3/5, 2/3, 4/5. B) 2/3, 4/5, 3/5, 8/15. C) 2/3, 3/5, 4/5, 8/15. D) 4/5, 2/3, 3/5, 8/15. Show Answer Correct Answer: A) 8/15, 3/5, 2/3, 4/5. 43. Divide. Write fractions in simplest form. $-1\frac{1}{6}\div\frac{2}{9}$ A) $-\frac{63}{12}$. B) $-\frac{7}{27}$. C) $-\frac{14}{54}$. D) $-5\frac{1}{4}$. Show Answer Correct Answer: C) $-\frac{14}{54}$. 44. Will the opposite of a number ALWAYS, SOMETIMES, or NEVER be greater than the number itself? A) ALWAYS be greater. B) SOMETIMES be greater. C) NEVER be greater. D) None of the above. Show Answer Correct Answer: B) SOMETIMES be greater. 45. $\frac{1}{2}+\frac{1}{3}$ A) $\frac{1}{6}$. B) $\frac{5}{6}$. C) $\frac{2}{6}$. D) $\frac{2}{5}$. Show Answer Correct Answer: B) $\frac{5}{6}$. 46. Which of the following number lies between 0 and 1 on a number line? A) $\frac{3}{4}$. B) $\frac{11}{6}$. C) $\frac{4}{3}$. D) $\frac{9}{5}$. Show Answer Correct Answer: A) $\frac{3}{4}$. 47. The correct arrangement of the rational numbers in ascending order is A) $\frac{-216}{720}\, \\frac{-63}{720}\, \\frac{-80}{720}$. B) $\frac{216}{720}\, \\frac{-63}{720}\, \\frac{-80}{720}$. C) $\frac{-216}{720}\, \\frac{-80}{720}\, \\frac{63}{720}$. D) $\frac{216}{720}\, \\frac{63}{720}\, \\frac{-80}{720}$. Show Answer Correct Answer: C) $\frac{-216}{720}\, \\frac{-80}{720}\, \\frac{63}{720}$. 48. Look at the list of rational numbers. Which one is the LEAST?0.25, -1.5, -7/8, 3/4 A) 0.25. B) 3/4. C) -7/8. D) -1.5. Show Answer Correct Answer: D) -1.5. 49. Subtraction of the two whole number always give result in whole number. True or false? A) True. B) False. C) Cannot determine. D) None of the above. Show Answer Correct Answer: B) False. 50. Is 0 a rational number? A) Yes. B) No, because it is an imaginary number. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 51. A rational number can be written as a fraction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 52. Halifax is at an elevation of $-150\\frac{1}{2}$ A) $451\\frac{1}{2}$. B) $-451\\frac{1}{2}$. C) $150\\frac{1}{2}$. D) $450$. Show Answer Correct Answer: B) $-451\\frac{1}{2}$. 53. Write the following decimal as a fraction in simplest form:3.25 A) 3 1/4. B) 3 2/5. C) 3 25/1000. D) 32 5/10. Show Answer Correct Answer: A) 3 1/4. 54. Can denominator value be 0 in rational numbers? A) Yes. B) No. C) No idea. D) None of the above. Show Answer Correct Answer: B) No. 55. The expression which best describes $0\div3$ A) 3. B) Not defined. C) 1. D) 0. Show Answer Correct Answer: D) 0. 56. $\frac{5}{16}+\left(-\frac{7}{16}\right)$ A) $-\frac{1}{8}$. B) $\frac{3}{4}$. C) $-\frac{1}{16}$. D) $-\frac{3}{4}$. Show Answer Correct Answer: A) $-\frac{1}{8}$. 57. Which correctly orders the following decimals and fractions from least to greatest?3/12, 8/9, 0.75, 0.22 A) 8/9, 0.75, 3/12, 0.22. B) 0.22, 3/12, 0.75, 8/9. C) 0.22, 0.75, 8/9, 3/12. D) 0.75, 8/9 0.22, 3/12. Show Answer Correct Answer: B) 0.22, 3/12, 0.75, 8/9. 58. Difference between two integers is ..... A) Commutative. B) Not commutative. C) All the above. D) None of the above. Show Answer Correct Answer: B) Not commutative. 59. Add 15.1, 12.03, 7.209 A) 34.339. B) 33.339. C) 34.328. D) None of the above. Show Answer Correct Answer: A) 34.339. 60. The product of-0.3 and-6 is: A) 1.8. B) .18. C) 18. D) -1.8. Show Answer Correct Answer: A) 1.8. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books