This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 8 Rational Numbers – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 8 Rational Numbers Quiz 23 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The numbers ..... and ..... are their own reciprocals A) 1 and 0. B) 1 and-1. C) -1 and 0. D) None of these. Show Answer Correct Answer: B) 1 and-1. 2. -0.36 A) Whole number only. B) Integer only. C) Rational number only. D) Integer & rational number. Show Answer Correct Answer: C) Rational number only. 3. $\frac{1}{5}+\left(-\frac{3}{5}\right)$ A) $\frac{2}{5}$. B) $-\frac{2}{5}$. C) $\frac{3}{5}$. D) -1. Show Answer Correct Answer: B) $-\frac{2}{5}$. 4. A bath tub drains at a constant rate. The amount of water changes by-0.75 gallons in one minute. What is the change in the amount of water in the bathtub after 5 minutes? A) -3.75 gallons. B) 375 gallons. C) -0.15 gallons. D) -37.5 gallons. Show Answer Correct Answer: A) -3.75 gallons. 5. What number should be subtracted from (-5/3) to get (5/6) A) $\frac{15}{6}$. B) $-\frac{15}{6}$. C) $-\frac{17}{6}$. D) $-\frac{19}{6}$. Show Answer Correct Answer: B) $-\frac{15}{6}$. 6. A rational number can be represented as p/q where p and q are integers provided ..... A) P should not be equal to 0. B) Q should not be equal to 0. C) Both p & q should not be equal to 0. D) None of the above. Show Answer Correct Answer: B) Q should not be equal to 0. 7. What is the multiplicative identity for 23 A) -1. B) 0. C) 1. D) -23. Show Answer Correct Answer: C) 1. 8. List the numbers in order from least to greatest-6, 0, 8, -9 A) -9, -6, 0, 8. B) 0, -6, 8, -9. C) -9, 8, -6, 0. D) 1, 2, 3, 4. Show Answer Correct Answer: A) -9, -6, 0, 8. 9. What is the difference between the greatest and least numbers of 5/9, 1/9 and 11/9? A) 2/9. B) 4/9. C) 10/9. D) 2/3. Show Answer Correct Answer: C) 10/9. 10. Associative property is true for which operations on rational numbers? A) Addition and Multiplication. B) Subtraction and Division. C) Addition and Subtraction. D) Addition and Division. Show Answer Correct Answer: A) Addition and Multiplication. 11. Any number that can be written as a fraction A) Opposite. B) Rational number. C) Absolute value. D) None of the above. Show Answer Correct Answer: B) Rational number. 12. The reciprocal of $\frac{1}{2}$ A) 3. B) 2. C) $-1$. D) 0. Show Answer Correct Answer: B) 2. 13. Order the following integers from greatest to least 3, -4, 6 A) 3, -4, 6. B) 6, 3, -4. C) 6, -4, 3. D) 3, -4, 6. Show Answer Correct Answer: B) 6, 3, -4. 14. If a recipe calls for 2/3 cup of flour and you want to make half the recipe, how much flour do you need? A) 1/2 cup. B) 1/3 cup. C) 1/4 cup. D) 2/3 cup. Show Answer Correct Answer: B) 1/3 cup. 15. Rachel states that reciprocal of 0 /-5.5 is a rational number.Is she correct?Why or why not? A) Yes, because all integers are rational numbers. B) Yes, because all decimal numbers are rational numbers. C) No, because its reciprocal would be not defined. D) No, because denominator would become negative. Show Answer Correct Answer: C) No, because its reciprocal would be not defined. 16. $\frac{3}{8}+-\frac{5}{7}=-\frac{19}{56}$ A) Rational numbers are closed under addition. B) Rational numbers satisfy the associative property. C) Addition of rational numbers is not commutative. D) Rational numbers are not closed under addition. Show Answer Correct Answer: A) Rational numbers are closed under addition. 17. A fish is swimming 7 feet below the water's surface. A turtle is swimming 2 feet below the water's surface. What is the difference in feet where the fish and the turtle is? A) -9 feet. B) 14 feet. C) 5 feet. D) 9 feet. Show Answer Correct Answer: C) 5 feet. 18. Add. Write in simplest form. $\frac{7}{10}+\left(-\frac{3}{5}\right)$ A) $\frac{10}{15}$. B) $-\frac{1}{10}$. C) $\frac{1}{10}$. D) $\frac{13}{10}$. Show Answer Correct Answer: C) $\frac{1}{10}$. 19. $\frac{5}{9}+-\frac{3}{4}$ A) $-\frac{7}{36}$. B) $\frac{7}{36}$. C) $\frac{8}{13}$. D) $-\frac{8}{13}$. Show Answer Correct Answer: A) $-\frac{7}{36}$. 20. $\frac{\text{10}}{\text{15}}\ne\frac{22}{33}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. $\frac{11}{9}\times\frac{-81}{88}$ A) $\frac{-9}{8}$. B) $\frac{9}{8}$. C) $\frac{1}{8}$. D) $\frac{-1}{9}$. Show Answer Correct Answer: A) $\frac{-9}{8}$. 22. Convert 5/8 to a decimal. A) 0.625. B) 0.85. C) 0.53. D) 0.58. Show Answer Correct Answer: A) 0.625. 23. Integers are not closed under addition. Is it true or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Is 11/0 a Rational number? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. Choose the correct standard form of-6/15. A) -2/5. B) 2/-5. C) -5/2. D) None of the above. Show Answer Correct Answer: A) -2/5. ← 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