This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Give the reciprocal of the rational numbers:-3/4 A) -4/3. B) 4/3. C) 3/4. D) 1. Show Answer Correct Answer: A) -4/3. 2. Rational numbers are not closed under ..... A) Multiplication. B) Addition. C) Substraction. D) Division. Show Answer Correct Answer: D) Division. 3. What is the opposite of $-\left(-15\right)$ A) $-15$. B) $15$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $-15$. 4. A rational number between 3/5 and 4/5 is: A) 7/5. B) 7/10. C) 3/10. D) 4/10. Show Answer Correct Answer: B) 7/10. 5. $\frac{1}{2}\\times\frac{2}{9}$ A) $\frac{2}{18}$. B) $\frac{2}{9}$. C) $\frac{1}{9}$. D) $\frac{2}{18}$. Show Answer Correct Answer: C) $\frac{1}{9}$. 6. Convert 1/3 to a decimal. A) 0.3334. B) 0.3333. C) 0.333. D) 0.334. Show Answer Correct Answer: B) 0.3333. 7. Add. Write in simplest form. $-4+\frac{3}{2}$ A) $-\frac{5}{2}$. B) $-\frac{1}{2}$. C) $-2\frac{1}{2}$. D) $-1\frac{1}{2}$. Show Answer Correct Answer: C) $-2\frac{1}{2}$. 8. Which number would represent a rational numbers? A) 137. B) -97. C) 0. D) -89.5. Show Answer Correct Answer: D) -89.5. 9. Natural number satisfy commutavity under multiplication. Is it true or false A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 10. When adding fractions, the ..... must be the same. A) Denominator. B) Numerator. C) Sign. D) Value. Show Answer Correct Answer: A) Denominator. 11. Write the multiplicative inverse of-13/19 A) $\frac{19}{-13}$. B) $-\frac{19}{13}$. C) $-\frac{13}{19}$. D) None of the above. Show Answer Correct Answer: B) $-\frac{19}{13}$. 12. -2/5 + [ 5/9-\{-2/7\}] A) 5/11. B) -5/11. C) -139/63. D) 139/63. Show Answer Correct Answer: D) 139/63. 13. Arrange the following rational numbers in descending order:0.1, -1/2, 0.75, -2/3 A) 0.75, -1/2, 0.1, -2/3. B) -2/3, 0.1, -1/2, 0.75. C) 0.1, -2/3, 0.75, -1/2. D) -1/2, 0.75, 0.1, -2/3. Show Answer Correct Answer: D) -1/2, 0.75, 0.1, -2/3. 14. Is 0.1234567891011 ..... a rational or irrational number? A) Irrational. B) Rational. C) Whole number. D) Integer. Show Answer Correct Answer: A) Irrational. 15. How many rational numbers are there between two rational numbers? A) 1. B) 0. C) Unlimited. D) 100. Show Answer Correct Answer: C) Unlimited. 16. Divide. Write fractions in simplest form. $-6\frac{2}{5}\div\left(-2\frac{2}{7}\right)$ A) $12\frac{4}{35}$. B) $-\frac{14}{5}$. C) $2\frac{4}{5}$. D) $-\frac{5}{14}$. Show Answer Correct Answer: C) $2\frac{4}{5}$. 17. The multiplicative inverse of $-\frac{1}{12}$ A) 12. B) -12. C) $\frac{12}{5}$. D) None of the above. Show Answer Correct Answer: B) -12. 18. Compare the rational numbers-1/3 and 2/5. Which one is greater? A) -1/3 is greater than 2/5. B) -1/3 is equal to 2/5. C) -1/3 is less than 2/5. D) 2/5 is less than-1/3. Show Answer Correct Answer: C) -1/3 is less than 2/5. 19. The reciprocal of a negative rational number is ..... A) A positive rational number. B) A negative rational number. C) Can be either positive or negative rational number. D) Not defined. Show Answer Correct Answer: B) A negative rational number. 20. Solve the expression:1.4 + 6 + $^{4}$/$_{10 }$= ..... A) 2.4 or 2$^{4}$/$_{10}$. B) 7.8 or 7$^{8}$/$_{10}$. C) -2.4 or-2$^{4}$/$_{10}$. D) -7.8 or-7$^{8}$/$_{10}$. Show Answer Correct Answer: B) 7.8 or 7$^{8}$/$_{10}$. 21. Solve the expression:$^{-2}$/$_{3 }$+-0.25 = ..... A) $^{-2}$/$_{12}$. B) $^{-11}$/$_{12}$. C) $^{-3}$/$_{7}$. D) $^{1}$/$_{7}$. Show Answer Correct Answer: B) $^{-11}$/$_{12}$. 22. Rational numbers are only negative? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 23. The negative of a negative rational number is a positive rational number. A) True. B) False. C) Cannot be explained. D) None of the above. Show Answer Correct Answer: A) True. 24. Will the opposite of zero ALWAYS, SOMETIMES, or NEVER be zero? A) ALWAYS be zero. B) SOMETIMES be zero. C) NEVER be zero. D) None of the above. Show Answer Correct Answer: A) ALWAYS be zero. 25. Which is the greatest? A) -5/11. B) 5/-12. C) -5/13. D) -5/17. Show Answer Correct Answer: D) -5/17. ← 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 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 10Class 7 Mathematics Chapter 8 Rational Numbers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books