This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a =-1/4 and b = 1/2, find the difference a-b in simplest form. A) -3/4. B) 1/8. C) 1/4. D) -1/2. Show Answer Correct Answer: A) -3/4. 2. $-\frac{5}{7}+\frac{10}{7}+\frac{3}{4}+\frac{5}{4}$ A) 7/19. B) 13/28. C) 19/7. D) 38/28. Show Answer Correct Answer: C) 19/7. 3. Classify 17/10 A) Whole. B) Rational. C) Natural. D) None of the above. Show Answer Correct Answer: B) Rational. 4. The relation of $\frac{11}{18}$ $\frac{18}{11}$ A) Multiplicative Identity. B) Additive Inverse. C) Multiplicative Inverse. D) Additive Identity. Show Answer Correct Answer: C) Multiplicative Inverse. 5. (0.18)(-2.0) A) 3.6. B) -36. C) -0.36. D) 0.036. Show Answer Correct Answer: C) -0.36. 6. 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. 7. 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. 8. Order the integers from least to greatest. 4, -4, -2, 2, -8 A) 4, -4, -2, 2, -8. B) 4, 2, -2, -4, -8. C) -8, -4, -2, 2, 4. D) 8, 2, -24, -4. Show Answer Correct Answer: C) -8, -4, -2, 2, 4. 9. What number should be added to 3/8 to get-1/24? A) -5/12. B) -7/23. C) 31/72. D) 2/33. Show Answer Correct Answer: A) -5/12. 10. Additive identity of rational numbers is A) 1. B) -1. C) X. D) 0. Show Answer Correct Answer: D) 0. 11. 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) 2. B) 3. C) 2.5. D) 2.6. Show Answer Correct Answer: B) 3. 12. What is the opposite of $11$ A) $11$. B) $-11$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $-11$. 13. + (-5.34) A) 12.53. B) -12.53. C) 1.85. D) -1.85. Show Answer Correct Answer: C) 1.85. 14. The additive inverse of $\frac{8}{15}$ A) $\frac{15}{8}$. B) $-\frac{8}{15}$. C) $\frac{-8}{-15}$. D) $\frac{-15}{-8}$. Show Answer Correct Answer: B) $-\frac{8}{15}$. 15. If 4/5 = 12/?, then? = A) 15. B) 25. C) 20. D) None of the above. Show Answer Correct Answer: C) 20. 16. 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. 17. Rational numbers be in the form of A) P + q. B) P-q. C) P x q. D) P / q. Show Answer Correct Answer: D) P / q. 18. Additive inverse of 2/5 is A) -1/2. B) -2/5. C) 5/2. D) 0. Show Answer Correct Answer: B) -2/5. 19. If a = 1/3 and b = 2/5, find the sum a + b in simplest form. A) 9/20. B) 7/15. C) 5/8. D) 11/15. Show Answer Correct Answer: D) 11/15. 20. 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. 21. 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. 22. 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. 23. The multiplicative inverse of $3\frac{1}{3}$ A) 1/3. B) 0.3. C) 10/3. D) 3. Show Answer Correct Answer: B) 0.3. 24. 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. 25. $-8.6\\times\left(-0.07\right)$ A) 0.602. B) -0.62. C) 6.02. D) -0.602. Show Answer Correct Answer: A) 0.602. ← 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