This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Rational Numbers > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\frac{-3}{2}\\times\frac{1}{7}$ A) $\frac{-3}{7}$. B) $\frac{-4}{9}$. C) $\frac{3}{14}$. D) $\frac{-3}{14}$. Show Answer Correct Answer: D) $\frac{-3}{14}$. 2. $\frac{-4}{7}\times ..... =\frac{-4}{7}$ A) 0. B) 1. C) -1. D) None. Show Answer Correct Answer: B) 1. 3. Find the sum of $\frac{2}{5}$ $-\frac{3}{9}$ A) $-\frac{1}{15}$. B) $\frac{1}{15}$. C) $\frac{11}{15}$. D) $-\frac{11}{15}$. Show Answer Correct Answer: B) $\frac{1}{15}$. 4. $\frac{26}{-72}$ A) $\frac{-13}{36}$. B) $\frac{13}{36}$. C) $\frac{12}{36}$. D) None of these. Show Answer Correct Answer: A) $\frac{-13}{36}$. 5. What number should be subtracted from-2/3 to get-1/6? A) -2/1. B) -1/2. C) 1/2. D) 2/1. Show Answer Correct Answer: B) -1/2. 6. Convert the decimal 0.9 to a fraction in simplest form. A) 9/10. B) 5/6. C) 3/4. D) 1/10. Show Answer Correct Answer: A) 9/10. 7. A group of friends are rock climbing. Mr. Wharton is 26.4 feet above the ground. Mr. Hall is directly below Mr. Wharton at 14.1 feet above the ground. How far apart are they? A) 12.3 feet. B) 40.5 miles. C) 12.3 miles. D) 40.5 feet. Show Answer Correct Answer: A) 12.3 feet. 8. Multiplicative inverse of 13/15 is A) 15/13. B) -15/13. C) 1. D) -13/15. Show Answer Correct Answer: A) 15/13. 9. Convert 15/2 into a mixed number. A) 7 1/2. B) 8 1/2. C) 6 1/2. D) 8. Show Answer Correct Answer: A) 7 1/2. 10. Which of the following illustrates the Commutative Law of Multiplication? A) 3 x 4 = 12 x 1. B) 3 x 4 = 6 x 2. C) 3 x 4 = 4 x 3. D) 3 x 4 = 2 x 6. Show Answer Correct Answer: C) 3 x 4 = 4 x 3. 11. -7 is classified as ..... A) Whole. B) Natural. C) Integers. D) Rational. Show Answer Correct Answer: C) Integers. 12. Which of the following lies between-1 and 0? A) I/2. B) -1/2. C) 3/2. D) NONE. Show Answer Correct Answer: B) -1/2. 13. When dividing two integers, the solution is a ..... A) Dividend. B) Divisor. C) Quotient. D) None of the above. Show Answer Correct Answer: C) Quotient. 14. Simplify $-40\\div\-5$ A) 8. B) 12. C) -8. D) -12. Show Answer Correct Answer: A) 8. 15. Convert 0.75 into a fraction in simplest form. A) 5/6. B) 1/2. C) 3/4. D) 2/3. Show Answer Correct Answer: C) 3/4. 16. Fill in the blank for the following rule:If the rational numbers have same signs, ..... the absolute values and keep the common sign. A) Divide. B) Multiply. C) Add. D) Subtract. Show Answer Correct Answer: C) Add. 17. (7/-10) + (-4/15) A) 29/30. B) 3/29. C) 2/3. D) -29/30. Show Answer Correct Answer: D) -29/30. 18. What is Associative Property A) AxbXXXA = bxc. B) Abxba = abxba. C) (over)c = (sape). D) (part)c = a(bc). Show Answer Correct Answer: D) (part)c = a(bc). 19. Rational numbers are of the form $\frac{a}{b}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Order the altitudes from least to greatest:Brawley, CA:altitude-113 ftElodrado, NM:altitude 6, 677 ftPunta Gorda, FL:altitude 10 ftHoltville, CA:altitude-10 ft A) -10; 10;-113; 6, 677. B) 6, 677; 10;-10;-113. C) -113; 6, 677; 10;-10. D) -113;-10; 10; 6, 677. Show Answer Correct Answer: D) -113;-10; 10; 6, 677. 21. A fraction is never a rational number. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. $Evaluate:\\frac{3}{7}+\\frac{-4}{9}+\frac{-11}{7}+\\frac{7}{9}$ A) -17/63. B) -7/21. C) -17/21. D) 5/21. Show Answer Correct Answer: C) -17/21. 23. Rational number representing 0.75 is- A) 4/3. B) 3/4. C) 75/10. D) None of the above. Show Answer Correct Answer: B) 3/4. 24. Which of these terms is NOT an example of an Integer? A) 0. B) -5. C) 2/3. D) 6. Show Answer Correct Answer: C) 2/3. 25. Define closure property A) A/x. B) A-c. C) A-a. D) A x b. Show Answer Correct Answer: D) A x b. 26. ..... is the identity for the addition of rational numbers. A) $-1$. B) $0$. C) $1$. D) $\frac{1}{2}$. Show Answer Correct Answer: B) $0$. 27. The number ..... has no reciprocal A) 0. B) 1. C) -1. D) None. Show Answer Correct Answer: A) 0. 28. Ruth cuts 3/4 inch sections of wood to make a birdhouse roof. He cut 35 sections. How many inches did she cut? A) 26 1/4. B) 105/4. C) -105/4. D) -26 1/4. Show Answer Correct Answer: D) -26 1/4. 29. Convert to a decimal 1/8 A) .25. B) .55 . C) .18888 . D) .125. Show Answer Correct Answer: D) .125. 30. The sum of the two numbers is (5/9). If one of the numbers is (1/3), find the other. A) $-\frac{2}{9}$. B) $\frac{3}{9}$. C) $-\frac{3}{9}$. D) $\frac{2}{9}$. Show Answer Correct Answer: D) $\frac{2}{9}$. 31. The value of (5/4)-(8/3) is: A) 17/12. B) -12/17. C) 12/17. D) -17/12. Show Answer Correct Answer: D) -17/12. 32. Convert 2.75 to a percent. A) .275%. B) 27.5%. C) 275%. D) 2.75%. Show Answer Correct Answer: C) 275%. 33. Rational numbers are those which can be written as $\frac{p}{q}$ A) 0. B) P. C) 1. D) Infinity. Show Answer Correct Answer: A) 0. 34. Order the numbers from least to greatest.-2, I8I, 5, I-10I, 6 A) -2, 5, 6, 8, 10. B) I-10I, -2, 5, 6. I8I. C) -2, I8I, 5, I-10I, 6. D) -2, 5, 6, I8I, I-10I. Show Answer Correct Answer: D) -2, 5, 6, I8I, I-10I. 35. What property allows this statement to be true? ab = ba A) Distributive Property. B) Commutative Property of Multiplication. C) Associative Property of Addition. D) Associative Property of Multiplication. Show Answer Correct Answer: B) Commutative Property of Multiplication. 36. Find the absolute value of $\frac{-3}{-2}$ A) $\frac{-3}{2}$. B) $\frac{3}{-2}$. C) $\frac{3}{2}$. D) None of the above. Show Answer Correct Answer: C) $\frac{3}{2}$. 37. What is the absolute value of |-24|? A) 98. B) -24. C) 11. D) 24. Show Answer Correct Answer: D) 24. 38. Multiplicative inverse of-13 is A) -1/13. B) 1. C) 0. D) 13/1. Show Answer Correct Answer: A) -1/13. 39. Write the following rational numbers in ascending order:-1/3, -2/9, -4/3 A) -1/3, -2/9, -4/3. B) -2/9, -1/3, -4/3. C) -4/3, -1/3, -2/9. D) None of the above. Show Answer Correct Answer: C) -4/3, -1/3, -2/9. 40. Which number has no reciprocal? A) -1. B) 1. C) -2. D) 0. Show Answer Correct Answer: D) 0. 41. What is the correct location of the decimal point in the product?2.39 x 4.37 = 104443 A) 10444.3. B) 104.443. C) 1.04443. D) 10.4443. Show Answer Correct Answer: D) 10.4443. 42. $^{8}$/$_{15}$ + (-$^{6}$/$_{15}$) A) -2/15. B) -14/15. C) 14/15. D) 2/15. Show Answer Correct Answer: D) 2/15. 43. Zero is the identity element of multiplication A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 44. What is the multiplicative inverse of $\frac{-4}{9}$ A) $\frac{9}{4}$. B) $\frac{-9}{4}$. C) $\frac{-4}{9}$. D) $\frac{4}{9}$. Show Answer Correct Answer: B) $\frac{-9}{4}$. 45. A rational number between 0.30 and 0.40 is A) 1/3. B) 10/11. C) 5/18. D) All the above. Show Answer Correct Answer: A) 1/3. 46. Which symbol is a decimal point? A) ;. B) /. C) ,. D) . Show Answer Correct Answer: D) . 47. Rational number 3/40 is equal to: A) 0.12. B) 0.012. C) 0.75. D) 0.075. Show Answer Correct Answer: D) 0.075. 48. If a =-1/4 and b = 1/2, find the difference a-b in simplest form. A) -1/2. B) -3/4. C) 1/4. D) 1/8. Show Answer Correct Answer: B) -3/4. 49. $-\frac{5}{7}+\frac{10}{7}+\frac{3}{4}+\frac{5}{4}$ A) 7/19. B) 19/7. C) 38/28. D) 13/28. Show Answer Correct Answer: B) 19/7. 50. The relation of $\frac{11}{18}$ $\frac{18}{11}$ A) Additive Identity. B) Additive Inverse. C) Multiplicative Identity. D) Multiplicative Inverse. Show Answer Correct Answer: D) Multiplicative Inverse. 51. What is the sign of the product?(-) x (-) x (+) x (-) x (-) A) Positive. B) Negative. C) All the above. D) None of the above. Show Answer Correct Answer: A) Positive. 52. A rational number can have zero in the denominator. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 53. Order the integers from least to greatest. 4, -4, -2, 2, -8 A) 4, 2, -2, -4, -8. B) 8, 2, -24, -4. C) 4, -4, -2, 2, -8. D) -8, -4, -2, 2, 4. Show Answer Correct Answer: D) -8, -4, -2, 2, 4. 54. What number should be added to 3/8 to get-1/24? A) 2/33. B) 31/72. C) -5/12. D) -7/23. Show Answer Correct Answer: C) -5/12. 55. Kylee is measuring the weight of a rabbit for her science experiment. The rabbit weighs 2.569 pounds. What is the rabbit's weight rounded to nearest pound? A) 3. B) 2.5. C) 2.6. D) 2. Show Answer Correct Answer: A) 3. 56. What is the opposite of $11$ A) $11$. B) $-11$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $-11$. 57. The additive inverse of $\frac{8}{15}$ A) $-\frac{8}{15}$. B) $\frac{-8}{-15}$. C) $\frac{15}{8}$. D) $\frac{-15}{-8}$. Show Answer Correct Answer: A) $-\frac{8}{15}$. 58. If 4/5 = 12/?, then? = A) 15. B) 25. C) 20. D) None of the above. Show Answer Correct Answer: C) 20. 59. Multiplicative inverse or reciprocal of-1 is: A) 1. B) -1. C) All the above. D) None of the above. Show Answer Correct Answer: B) -1. 60. Rational numbers be in the form of A) P-q. B) P / q. C) P + q. D) P x q. Show Answer Correct Answer: B) P / q. ← 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