This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Real Numbers > Class 10 Maths Chapter 1 Real Numbers – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ex 4. Multiply(-8)(-1) A) 9. B) -9. C) -8. D) 8. Show Answer Correct Answer: D) 8. 2. What two numbers is the $\sqrt{24}$ A) 3 and 4. B) 4 and 5. C) 5 and 6. D) 6 and 7. Show Answer Correct Answer: B) 4 and 5. 3. The product of three consecutive positive integers is divisible by A) 6. B) 4. C) 1. D) No common factor. Show Answer Correct Answer: A) 6. 4. What is the most specific set for $15$ A) Integer. B) Whole. C) Natural. D) Irrational. E) Rational. Show Answer Correct Answer: C) Natural. 5. What kind of real number is this? Check all that applies. $e$ A) Irrational Numbers. B) Natural Numbers. C) Rational Numbers. D) Whole Numbers. E) Integers. Show Answer Correct Answer: A) Irrational Numbers. 6. For some integer 'q', every odd integer is of the form ..... A) Q. B) 2q-1. C) Q + 1. D) 2q. Show Answer Correct Answer: B) 2q-1. 7. The prime factorization of 216 is 21. HCF of 4 and 19 is A) 2$^{3 }$x 3$^{3}$. B) 2$^{4 }$x 3$^{3}$. C) 2$^{3 }$x 3$^{2}$. D) None of the above. Show Answer Correct Answer: A) 2$^{3 }$x 3$^{3}$. 8. The decimal expansion of 6/1250 will terminate after how many places of decimal? A) 5. B) 4. C) 2. D) 3. Show Answer Correct Answer: B) 4. 9. A rational numbers can't be expressed as A) Recurring decimal. B) Non-terminating repeating decimal. C) Non terminating non repeating decimal. D) Terminating decimal. Show Answer Correct Answer: C) Non terminating non repeating decimal. 10. $\left(5.6\times10^5\right)\div\left(2.8\times10^2\right)$ A) $2\times10^7$. B) $2\times10^{10}$. C) $2.8\times10^3$. D) $2\times10^3$. Show Answer Correct Answer: D) $2\times10^3$. 11. Integers include all whole numbers and the negative natural numbers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. The simplest rationalizing factor of $\sqrt{3}+\sqrt{5}$ A) $\sqrt{3}+\sqrt{5}$. B) $\sqrt{3}-\sqrt{5}$. C) 1. D) None of these. Show Answer Correct Answer: B) $\sqrt{3}-\sqrt{5}$. 13. Find the greatest number that will divide 508, 635 and 762 leaving remainders 4, 5 and 6respectively. A) 216. B) 234. C) 132. D) 126. Show Answer Correct Answer: D) 126. 14. What is the most specific set for $0.375$ A) Natural. B) Integer. C) Whole. D) Irrational. E) Rational. Show Answer Correct Answer: E) Rational. 15. If n = $2^3$ $3^4$ $5^4$ $7^2$ A) 4. B) 3. C) 2. D) 5. Show Answer Correct Answer: B) 3. 16. The square root of 64 divided by the cube root of 64 is A) 64. B) 2. C) $\frac{1}{2}$. D) None of these. Show Answer Correct Answer: B) 2. 17. $\frac{9^{\frac{1}{3}}\times27^{\frac{-1}{2}}}{3^{\frac{1}{6}}\times3^{\frac{-2}{3}}}=$ A) $3^{\frac{2}{3}}$. B) $3^{\frac{1}{3}}$. C) 3. D) $3^{\frac{-1}{3}}$. Show Answer Correct Answer: D) $3^{\frac{-1}{3}}$. 18. If d= LCM (36, 198) then the value of d is: A) 198. B) 36. C) 1. D) 396. Show Answer Correct Answer: D) 396. 19. Classify the numbers by checking all that apply! $\sqrt{175}$ A) Whole. B) Rational. C) Natural. D) Integer. E) Irrational. Show Answer Correct Answer: E) Irrational. 20. If $\frac{2^{x-1}\times4^{2x+1}}{8^{x-1}}=64$ A) -2. B) 3. C) 2. D) 1. Show Answer Correct Answer: D) 1. 21. Which of the following is not a rational number? $\sqrt{8}, \sqrt{16}, \sqrt{9}, \sqrt{25}$ A) $\sqrt{25}$. B) $\sqrt{9}$. C) $\sqrt{8}$. D) $\sqrt{16}$. Show Answer Correct Answer: C) $\sqrt{8}$. 22. Indicate the first three natural numbers. A) 0, 1, 2. B) 1, 2, 3. C) 2, 3, 4. D) None of the above. Show Answer Correct Answer: B) 1, 2, 3. 23. Which decimal equals the fraction $\frac{3}{8}$ A) 0.4. B) 0.375. C) 0.38. D) None of the above. Show Answer Correct Answer: B) 0.375. 24. What is the HCF of the smallest composite number and the smallest prime number A) 1. B) 4. C) 8. D) 2. Show Answer Correct Answer: D) 2. 25. If 2$^{3}$x3$^{a}$xb x7 is the prime factorization of 2520, then 5a + 2b = ..... A) 20. B) 18. C) 12. D) 15. Show Answer Correct Answer: A) 20. 26. Identify the example that represents theMultiplicative Property of Zero. A) -9 + 9 = 0. B) 9-9 = 0. C) 9 + 0 = 9. D) -9 x 0 = 0. Show Answer Correct Answer: D) -9 x 0 = 0. 27. The HCF of the two numbers is 23and their LCM is 1449. If one of the numbers is 161, then other number is A) 205. B) 107. C) 207. D) 414. Show Answer Correct Answer: C) 207. 28. Which option is IRRATIONAL? A) $\sqrt{8}$. B) $\left(\sqrt{10}\right)^2$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $\sqrt{8}$. 29. The decimal form of irrational number is A) Terminating. B) Non-termining. C) Non-terminating non-repeating. D) None of the above. Show Answer Correct Answer: C) Non-terminating non-repeating. 30. Which one of the following is an irrational number? A) 2.4. B) 0.371371371 . C) 2.39. D) 4.010010001 . Show Answer Correct Answer: D) 4.010010001 . 31. Whole numbers always start with 1. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 32. Let p be a prime number. If p divides $a^2$ A) A is not a positive integer. B) P does not divide a. C) P divides a. D) P is not a prime number. Show Answer Correct Answer: C) P divides a. 33. Joe is buying carpet for a 15-foot-by-10-foot room. If carpeting costs $ 1.50 per square foot, how much will it cost? A) $ 22.50. B) $ 37.50. C) $ 225. D) $ 2.25. Show Answer Correct Answer: C) $ 225. 34. The decimal expansion of 144/400 is ..... A) Terminating. B) Non terminating recurring. C) Non Terminating. D) Non terminating non recuriing. Show Answer Correct Answer: A) Terminating. 35. If two positive integers p and q can be expressed as p=ab$^{2}$ q = a$^{3}$b, a and b being prime numbers then LCM(p, q) is A) A$^{2}$b$^{2}$. B) Ab. C) A$^{3}$b$^{2}$. D) A$^{3}$b3. Show Answer Correct Answer: C) A$^{3}$b$^{2}$. 36. $\sqrt{x+\sqrt{y}}$ A) Rational. B) Irrational. C) Both. D) Cant find without the valuesof xandy. Show Answer Correct Answer: D) Cant find without the valuesof xandy. 37. Is the square root of 13 a rational number or an irrational number? A) Rational number. B) Irrational number. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irrational number. 38. A positive integer of the form 24q + 9 can also be written as A) 8m + 1. B) 8m + 2. C) 8m + 9. D) 8m. Show Answer Correct Answer: A) 8m + 1. 39. How do you classify the number 0 in terms of real numbers? A) 0 is a real number. B) 0 is an imaginary number. C) 0 is not a number. D) 0 is a complex number only. Show Answer Correct Answer: A) 0 is a real number. 40. In a seminar, the number of participants in Urdu, Hindi and English are 45, 75 and 135respectively. Find the number of rooms required to house them if in each room, the samenumber of participants are to be accommodated and all of them must belong to the samelanguage. A) 3, 5, 9. B) 2, 5, 8. C) 3, 6, 8. D) 4, 5, 8. Show Answer Correct Answer: A) 3, 5, 9. 41. Write in logarithmic form.5$^{2}$ = 25 A) Log$_{5}$2 = 25. B) Log$_{2}$25 = 5. C) Log$_{5}$25 = 2. D) Log$_{25}$5 = 2. Show Answer Correct Answer: C) Log$_{5}$25 = 2. 42. Integers are a subset of natural numbers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 43. A non-terminating and non repeating decimal is which type of number? A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irrational. 44. Find the smallest number that has 2, 5, 7 as it's prime factors. A) 70. B) 14. C) 35. D) 10. Show Answer Correct Answer: A) 70. 45. What is the multiplicative inverse of 2/3? A) 3/2. B) -2/3. C) 2/3. D) -3/2. Show Answer Correct Answer: A) 3/2. 46. Ex 1. Add.-8.3+(-1.9) A) -10.2. B) 10.2. C) 6.4. D) -6.4. Show Answer Correct Answer: A) -10.2. 47. If hcf (26, 169) = 13 then LCM (26, 169) IS A) 338. B) 26. C) 13. D) 52. Show Answer Correct Answer: A) 338. 48. Which list of numbers is in order from least to greatest?A. 5/8, 9/16, 5/12B. 5/12, 9/16, 5/8C. 9/16, 5/12, 5/8D. 9/16, 5/8, 5/12 A) C. B) B. C) A. D) D. Show Answer Correct Answer: B) B. 49. HCF(a, b) x LCM(a, b) = A) A x a. B) A + b. C) 2a x 2b. D) A x b. Show Answer Correct Answer: D) A x b. 50. Rational numbers are denoted by A) Z. B) N. C) Q. D) W. Show Answer Correct Answer: C) Q. 51. What is the MULTIPLICATIVE INVERSE of8 A) 1. B) $^{-1}$/$_{8}$. C) -8. D) $^{1}$/$_{8}$. Show Answer Correct Answer: D) $^{1}$/$_{8}$. 52. What is $0.\overline{36}$ A) $\frac{3}{6}$. B) $\frac{36}{100}$. C) $\frac{4}{11}$. D) $\frac{9}{25}$. Show Answer Correct Answer: C) $\frac{4}{11}$. 53. Classify the following number by naming the set or sets to which it belongs:789 A) Whole number and natural number. B) Natural number. C) Whole number, integer, rational number, and natural number. D) Integer, whole number, and natural number. Show Answer Correct Answer: C) Whole number, integer, rational number, and natural number. 54. There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harshit takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet? A) 36 minutes. B) They will not meet. C) 6 minutes. D) 18 minutes. Show Answer Correct Answer: A) 36 minutes. 55. If the LCM of two numbers is 180 and their HCF is 6, then the product of the two numbers is: A) 1000. B) 1800. C) 1080. D) 600. Show Answer Correct Answer: C) 1080. 56. 2x, 2y, and 2xy are like terms. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 57. Marcia, Jim, Kyle, and Jen decided to participate in Bear Relays to see who could run the fastest. Marcia's time was 56.24 seconds. Jim's time was 56.20 seconds. Kyle's time was 56.287 seconds. Jen's time was 56.29 seconds. Which runner had the fastest time? A) Jim. B) Jen. C) Marcia. D) Kyle. Show Answer Correct Answer: A) Jim. 58. The sum of two irrational numbers is always A) Rational or irrational. B) Rational. C) One. D) Irrational. Show Answer Correct Answer: D) Irrational. 59. The HCF of two consecutive even numbers is: A) 1. B) 4. C) 0. D) 2. Show Answer Correct Answer: D) 2. 60. What is the minimum number of rooms required during the event? A) 31. B) 41. C) 11. D) 21. Show Answer Correct Answer: D) 21. ← PreviousNext →Related QuizzesMathematics QuizzesClass 10 QuizzesClass 10 Maths Chapter 1 Real Numbers Quiz 1Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books