This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Real Numbers > Class 10 Maths Chapter 1 Real Numbers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A decimal that stops (like 2.48) is which type of number? A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rational. 2. HCF of 26 and 91 is:(a) 15(b) 13(c) 19(d) 11 A) A. B) D. C) B. D) C. Show Answer Correct Answer: C) B. 3. The number obtained on rationalizing the denominator of $\frac{1}{\sqrt{7}-2}$ A) $\frac{\sqrt{7}-2}{3}$. B) $\frac{\sqrt{7}+2}{3}$. C) $\frac{\sqrt{7}-2}{5}$. D) $\frac{\sqrt{7}+2}{5}$. Show Answer Correct Answer: B) $\frac{\sqrt{7}+2}{3}$. 4. The largest number which divides 70 & 125 leaving remainders 5 & 8 is: A) 875. B) 65. C) 1750. D) 13. Show Answer Correct Answer: D) 13. 5. Choiceirrational A) Whole number. B) Rational. C) Natural number. D) Integer. Show Answer Correct Answer: B) Rational. 6. Eason is making activity baskets to donate to charity. She has 12 coloring books and 36 crayons. The greatest number of baskets she can make if each type of toy is equally distributed among the baskets is A) 36. B) 12. C) 2. D) 6. Show Answer Correct Answer: B) 12. 7. Classify the following number by naming the set or sets to which it belongs:Pi A) Whole. B) Integer. C) Rational. D) Irrational. Show Answer Correct Answer: D) Irrational. 8. If HCF (16, m) = 8 and LCM (16, m) = 48, then the value of m is: A) 24. B) 8. C) 48. D) 16. Show Answer Correct Answer: A) 24. 9. The decimal expansion of n is A) Terminating. B) Non-terminating and non-recurring. C) Non-terminating and recurring. D) Does not exist. Show Answer Correct Answer: B) Non-terminating and non-recurring. 10. On rationalisation the denominator of $\frac{1}{2+\sqrt{3}}$ A) 0. B) 2. C) 1. D) -1. Show Answer Correct Answer: C) 1. 11. The number 4.127318541 ..... is: A) Rational. B) Irrational. C) Terminating decimal. D) None of these. Show Answer Correct Answer: B) Irrational. 12. If a = 4 and b = (-3), find ab. A) -4/3. B) -12. C) 12. D) -3/4. Show Answer Correct Answer: B) -12. 13. (3x5x7) + 7 is a A) PRIME NUMBER. B) CANT SAY. C) NONE OF THESE. D) COMPOSITE NUMBER. Show Answer Correct Answer: D) COMPOSITE NUMBER. 14. A rational number between 4 and 5 is A) 7. B) 5)4. C) 11/3. D) 9/2. Show Answer Correct Answer: D) 9/2. 15. 4 Bells toll together at 9.00 am. They toll after 7, 8, 11 and 12 seconds respectively. How many times will they toll together again in the next 3 hours? A) 4. B) 6. C) 3. D) 5. Show Answer Correct Answer: D) 5. 16. What is the smallest category in the real number system? A) Natural. B) Integer. C) Rational. D) Whole. Show Answer Correct Answer: A) Natural. 17. The number of prime factors in 500 is: A) 2. B) 4. C) 3. D) 5. Show Answer Correct Answer: C) 3. 18. What is true about irrational numbers? A) They are natural numbers. B) They are fractions. C) They are non-repeating decimals. D) They are terminating decimals. Show Answer Correct Answer: C) They are non-repeating decimals. 19. What kind of real number is this? Check all that applies. $\frac{3}{4}$ A) Irrational Numbers. B) Whole Numbers. C) Integers. D) Rational Numbers. E) Natural Numbers. Show Answer Correct Answer: D) Rational Numbers. 20. List the following numbers from least to greatest:$-64, \\3.5, \\\sqrt{27}, \\6.\overline{6}$ A) $3.5, \\-64, \\\sqrt{27}, \\6.\overline{6}$. B) $3.5, \\\sqrt{27}, \\6.\overline{6}, \\-64$. C) $-64, \\3.5, \\\sqrt{27}, \\6.\overline{6}$. D) $6.\overline{6}, \\\sqrt{27}, \\-64, \\3.5$. Show Answer Correct Answer: C) $-64, \\3.5, \\\sqrt{27}, \\6.\overline{6}$. 21. For some integer p, every odd integer is of the form A) 2p + 1. B) 2p. C) P. D) P + 1. Show Answer Correct Answer: A) 2p + 1. 22. Rational numbers include fractions, decimals that end and decimals that repeat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. What is the ADDITIVE INVERSE of-7 A) $^{}$$^{-1}$/$_{7}$. B) $^{1}$/$_{7}$. C) -7. D) 7. Show Answer Correct Answer: D) 7. 24. HCF(6, 20) = 2 then LCM(6, 20) =? A) 80. B) 120. C) 60. D) 2. Show Answer Correct Answer: C) 60. 25. State the associative property of multiplication for real numbers A) For any real numbers a, b, and c, (a * b) * c = a * (b * c). B) For any real numbers a, b, and c, (a * b) + c = a * (b + c). C) For any real numbers a, b, and c, (a + b) * c = a * (b + c). D) For any real numbers a, b, and c, (a * b) / c = a * (b / c). Show Answer Correct Answer: A) For any real numbers a, b, and c, (a * b) * c = a * (b * c). 26. Euclid's division algorithm = ..... A) A = b +q + r. B) A = bq + r. C) Ab = q + r. D) A = br + q. Show Answer Correct Answer: B) A = bq + r. 27. Three sets of English, Hindi and Mathematics books have to be stacked in such a way thatall the books are stored topic wise and height of each stack is the same. The number ofEnglish books is 96, the number of Hindi books is 240 and the number of Mathematicsbooks is 336. Assuming that books are of same thickness, determine the number of stacksof English, Hindi and mathematics books respectively. A) 2, 4, 7. B) 3, 6, 8. C) 2, 5, 7. D) 3, 5, 6. Show Answer Correct Answer: C) 2, 5, 7. 28. How would you write 4.3756 x 10$^{4 }$in standard form?Visit the link to learn more:https://youtu.be/DXTuYjPDjqQ A) 43, 756. B) 437, 560, 000. C) 4, 3756. D) 0.00043756. Show Answer Correct Answer: A) 43, 756. 29. Simplify the expression 4(2x-3)-2(3x + 1) A) 8x-12. B) 10x-16. C) 6x-10. D) 2x-14. Show Answer Correct Answer: D) 2x-14. 30. All whole numbers are rational. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 31. How would you classify $\sqrt[]{8}$ A) Rational Number. B) Integer. C) Irrational Number. D) Whole Number. Show Answer Correct Answer: C) Irrational Number. 32. The decimal expansion of $\sqrt[]{2}$ A) Non terminating non recurring. B) Non terminating recurring. C) 1.41421. D) A finite decimal. Show Answer Correct Answer: A) Non terminating non recurring. 33. (Choose all correct answers) 0.5 is a(n) ..... A) Whole number. B) Integer. C) Rational Number. D) None of these. Show Answer Correct Answer: C) Rational Number. 34. The LCM of a and 18 is 36 and the HCF of a and 18 is 2, then a = A) 2. B) 1. C) 4. D) 3. Show Answer Correct Answer: C) 4. 35. Give the most specific classification for $\sqrt[]{5}$ A) Rational. B) Natural. C) Whole. D) Irrational. E) Integers. Show Answer Correct Answer: D) Irrational. 36. Number of zeros in 5$^{3}$x13$^{5}$x 17$^{2}$x 2$^{7}$x7$^{2}$ is A) 7. B) 5. C) 2. D) 3. Show Answer Correct Answer: D) 3. 37. Expand the logarithm expressionlog 6x$^{3}$y A) Log 6 + log x$^{3}$ + log y. B) Log 6x$^{3}$ + log y. C) Log 6 + 3log x + log y. D) 3 log 6 + log x + log y. Show Answer Correct Answer: C) Log 6 + 3log x + log y. 38. LCM of 2 and 3 is A) 3. B) 6. C) 5. D) 2. Show Answer Correct Answer: B) 6. 39. The largest number which divides 70 and 125 leaving the reminders 5 and 8 respectively is ..... A) 13. B) 875. C) 1750. D) 65. Show Answer Correct Answer: A) 13. 40. Which of the following is a pair of co-primes? A) (14, 35). B) (31, 93). C) (18, 25). D) (32, 62). Show Answer Correct Answer: C) (18, 25). 41. How many square roots does the number 20 have? A) 0. B) 1. C) 2. D) None of the above. Show Answer Correct Answer: C) 2. 42. For some integer m, every even integer is of the form A) 2m. B) 2m-1. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2m. 43. A non-terminating 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. If A = 2n + 13, B = n + 7, where n is a natural number then HCF of A and B is: A) 1. B) 4. C) 2. D) 3. Show Answer Correct Answer: A) 1. 45. Ex 1. Add. 3+(-7) A) -4. B) 10. C) 4. D) -10. Show Answer Correct Answer: A) -4. 46. Decimal representation of an irrational number is always A) Non terminating non-recurring. B) Non terminating recurring. C) Terminating. D) Can't predict. Show Answer Correct Answer: A) Non terminating non-recurring. 47. Eason is making activity baskets to donate to charity. She has 12 coloring books and 36 crayons. What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets? A) 36. B) 2. C) 12. D) 6. Show Answer Correct Answer: C) 12. 48. Amita, Sneha, and Raghav start preparing cards for all persons of an old age home. In order to complete one card, they take 10, 16 and 20 minutes respectively. If all of them started together, after what time will they start preparing a new card together? (2013) A) 2 minutes. B) 1 hour. C) 80 minutes. D) 45 minutes. Show Answer Correct Answer: C) 80 minutes. 49. Which of the following statements is always true? A) All integers are whole numbers. B) All rational numbers are integers. C) Some whole numbers are not rational numbers. D) All whole numbers are integers. Show Answer Correct Answer: D) All whole numbers are integers. 50. For some integer 'a' every even integer is of the form: A) A+1. B) 2a. C) A. D) 2a + 1. Show Answer Correct Answer: B) 2a. 51. Is 2 a natural number? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 52. HCF of 96 and 404 is equal to ..... A) 4. B) 2. C) 5. D) 3. Show Answer Correct Answer: A) 4. 53. $\left(3^{\frac{1}{2}}\right)^{\frac{1}{3}}$ A) $3^{\frac{1}{2}}$. B) $3^{\frac{1}{6}}$. C) $3^{\frac{1}{5}}$. D) $3^{\frac{1}{3}}$. Show Answer Correct Answer: B) $3^{\frac{1}{6}}$. 54. LCM & HCF of three numbers 2$^{3}$x3$^{5}$x5$^{2}$, 3$^{3}$x5$^{3}$ and 2$^{5}$x5$^{3 }$are A) LCM = 2$^{3}$x3$^{5}$x5$^{2 }$AND HCF = 2$^{3}$x3$^{5}$x5$^{2}$. B) LCM = 2$^{3}$x3$^{5}$x5$^{3 }$AND HCF = 2$^{3}$x3$^{3}$x5$^{2}$. C) LCM = 5$^{3 }$and HCF = 2$^{3}$x3$^{3}$x5$^{2}$. D) LCM = 2$^{5}$x3$^{5}$x5$^{3 }$and HCF = 5$^{2}$. Show Answer Correct Answer: D) LCM = 2$^{5}$x3$^{5}$x5$^{3 }$and HCF = 5$^{2}$. 55. Classify 15 in the real number system. A) Natural, Whole, Integer, Rational. B) Irrational. C) Natural, Whole, Rational, Irrational. D) None of the above. Show Answer Correct Answer: A) Natural, Whole, Integer, Rational. 56. Ex 1. Add.-3+(-11) A) 8. B) -8. C) 14. D) -14. Show Answer Correct Answer: D) -14. 57. 2$^{1/5 }$multiplied with 2$^{2/3}$ we will get A) None. B) 2$^{2/15}$. C) 2$^{13/15}$. D) 2$^{3/10}$. Show Answer Correct Answer: C) 2$^{13/15}$. 58. Solve the equation:5a + 3 = 23 A) A = 7. B) A = 4. C) A = 5. D) A = 6. Show Answer Correct Answer: B) A = 4. 59. Euclid's Division lemma states that for any tow positive integers a and b, there exists unique integers q and r such that a=bq+r where r must satisfy A) 0 $\le$ $\le$. B) 0 $\le$. C) 0 D) 0 Show Answer Correct Answer: B) 0 $\le$. 60. Least prime number and least composite numbers are A) 2 & 4. B) 1 & 2. C) 3 & 4. D) 4 & 2. Show Answer Correct Answer: A) 2 & 4. ← PreviousNext →Related QuizzesMathematics QuizzesClass 10 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 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