This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 1 Real Numbers – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the LCM of $2^3\times3^2\\and\\2^2\\times3^3$ A) 36. B) 108. C) 216. D) 64. Show Answer Correct Answer: C) 216. 2. Find the largest number that will divide 398, 436 and 542 leaving remainders 7, 11, and 15 respectively. A) 17. B) 15. C) 19. D) 22. Show Answer Correct Answer: A) 17. 3. What kind of real number is this? Check all that applies. $0.23$ A) Natural Numbers. B) Whole Numbers. C) Integers. D) Rational Numbers. E) Irrational Numbers. Show Answer Correct Answer: D) Rational Numbers. 4. Which of the following irrational numbers lies between 3 and 5? A) $\sqrt{7}$. B) $\sqrt{11}$. C) $\sqrt{34}$. D) $\sqrt{0.16}$. Show Answer Correct Answer: B) $\sqrt{11}$. 5. The largest number that divides 70 and 125, which leaves the remainders 5 and 8, is:(a) 65(b) 15(c) 13(d) 25 A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 6. The largest number that will divide 398, 436 and 542 leaving remainders 7, 11 and 15respectively is A) 17. B) 11. C) 34. D) 45. Show Answer Correct Answer: A) 17. 7. If set A = \{1, 2, 3, 4, 5, ..... \} is given, then it represents: A) Whole numbers. B) Rational Numbers. C) Natural numbers. D) Complex numbers. Show Answer Correct Answer: C) Natural numbers. 8. Fractions are shown. 1/3, 1/4, 5/8 Order the fractions from least to greatest. A) 1/4, 5/8, 1/3. B) 1/4, 1/3, 5/8. C) 5/8, 1/3, 1/4. D) 1/3, 1/4, 5/8. Show Answer Correct Answer: B) 1/4, 1/3, 5/8. 9. Between which two whole numbers is the square root of 18? A) 4 and 5. B) 5 and 6. C) 6 and 7. D) None of the above. Show Answer Correct Answer: A) 4 and 5. 10. If the product of two co-prime numbers is 553, then their HCF is: A) 1. B) 553. C) 7. D) 79. Show Answer Correct Answer: A) 1. 11. The product of a non-zero rational and an irrational is A) Always irrational. B) Always rational. C) Rational or irrational. D) None. Show Answer Correct Answer: A) Always irrational. 12. Between which two whole numbers is the square root of 277? A) 15 and 16. B) 16 and 17. C) 18 and 19. D) 14 and 15. Show Answer Correct Answer: B) 16 and 17. 13. Ms. Sublett's class has a ratio of boys to girls of 3 to 1. If there are 4 girls in the class, how many boys are there? A) 10 boys. B) 12 boys. C) 15 boys. D) 18 boys. Show Answer Correct Answer: B) 12 boys. 14. Log $_{5 }$5 = A) 5. B) 1. C) 25. D) 0. Show Answer Correct Answer: B) 1. 15. Which of the following is not irrational? A) $2+\sqrt[]{5}$. B) $2-\sqrt[]{5}$. C) $2\\sqrt[]{5}$. D) $\left(2+\sqrt[]{5}\right)\left(2-\sqrt[]{5}\right)$. Show Answer Correct Answer: D) $\left(2+\sqrt[]{5}\right)\left(2-\sqrt[]{5}\right)$. 16. Logarithmic form of 2 $^{10 }$= 1024 A) Log $_{10}$ 1024 = 2. B) Log $_{2 }$1024 = 10. C) Log $_{2 }$10 = 1024. D) Log $_{10 }$2 = 1024. Show Answer Correct Answer: B) Log $_{2 }$1024 = 10. 17. The least number that is divisible by all the numbers from 1 to 10 is: A) 2520. B) 120. C) 360. D) 720. Show Answer Correct Answer: A) 2520. 18. Euclid Division Lemma is used to find A) HCF. B) LCM. C) Both HCF and LCM. D) None of the above. Show Answer Correct Answer: A) HCF. 19. Total number of rational numbers exist between any two two rational numbers A) 2. B) 5. C) Infinite. D) None of these. Show Answer Correct Answer: C) Infinite. 20. The HCF and LCM of two numbers are 5 and 30, respectively. If one number is 10, what is the other number? A) 20. B) 15. C) 25. D) 30. Show Answer Correct Answer: B) 15. 21. What are the counting numbers (1, 2, 3 ..... )? A) Rational Numbers. B) Whole Numbers. C) Natural Numbers. D) Irrational Numbers. Show Answer Correct Answer: C) Natural Numbers. 22. Whole numbers are natural numbers together with "zero." A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. After rationalize the denominator of $\frac{7}{3\sqrt{3}-2\sqrt{2}}$ A) 13. B) 19. C) 5. D) 37. Show Answer Correct Answer: B) 19. 24. As per euclid division lemma when divisor is 3 then possible integers are ..... A) 3q, 3q+1, 3q+2. B) 3q+1, 3q+2, 3q+3. C) 3, 4, 5, 6. D) None. Show Answer Correct Answer: A) 3q, 3q+1, 3q+2. 25. Which of the following rational numbers have terminating decimal expansion? A) $\frac{13}{125}$. B) $\frac{5}{18}$. C) $\frac{2}{21}$. D) $\frac{7}{126}$. Show Answer Correct Answer: A) $\frac{13}{125}$. ← PreviousNext →Related QuizzesClass 10 Maths Chapter 1 Real Numbers Quiz 1Class 10 Maths Chapter 1 Real Numbers Quiz 2Class 10 Maths Chapter 1 Real Numbers Quiz 3Class 10 Maths Chapter 1 Real Numbers Quiz 4Class 10 Maths Chapter 1 Real Numbers Quiz 5Class 10 Maths Chapter 1 Real Numbers Quiz 6Class 10 Maths Chapter 1 Real Numbers Quiz 7Class 10 Maths Chapter 1 Real Numbers Quiz 8Class 10 Maths Chapter 1 Real Numbers Quiz 9Class 10 Maths Chapter 1 Real Numbers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books