This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Real Numbers > Class 10 Maths Chapter 1 Real Numbers – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bars of soap come in packages of 6 and packages of 20. The 6-bar pack costs $ 7.86, and the 20-bar pack costs $ 25.00. Which is the better deal? What is the price per bar of the better deal? A) 20-bar pack at $ 1.25 per bar. B) 6-bar pack at $ 0.39 per bar. C) 6-bar pack at $ 1.25 per bar. D) 6-bar pack at $ 1.31 per bar. Show Answer Correct Answer: A) 20-bar pack at $ 1.25 per bar. 2. The product of non zero rational and an irrational no. Is A) Always irrational. B) Always rational. C) Rational and irrational. D) One. Show Answer Correct Answer: A) Always irrational. 3. Which of these values is the LEAST? A) 65%. B) 0. C) 1/2. D) -3. Show Answer Correct Answer: D) -3. 4. Give the most specific classification for $\sqrt[]{121}$ A) Irrational. B) Integers. C) Natural. D) Rational. E) Whole. Show Answer Correct Answer: C) Natural. 5. What is the sign of the product of an odd number of negative factors? A) Positive. B) Negative. C) It depends. D) None of the above. Show Answer Correct Answer: B) Negative. 6. The unit digit of $2^{2^n}$ A) 4. B) 6. C) 0. D) None of the above. Show Answer Correct Answer: C) 0. 7. $2\sqrt{3}+\\sqrt{3}$ A) $3\sqrt{3}$. B) $4\sqrt{6}$. C) 6. D) $2\sqrt{6}$. Show Answer Correct Answer: A) $3\sqrt{3}$. 8. Express the fraction 7/9 as a decimal. A) 0.7. B) 0.777777 . C) 0.8. D) 0.88888 . Show Answer Correct Answer: B) 0.777777 . 9. The sum or difference of two irrational numbers is always ..... A) Rational. B) Irrational. C) Even. D) Positive. Show Answer Correct Answer: B) Irrational. 10. Which of these cannot be a whole number? A) A positive integer. B) A negative integer. C) A rational number. D) None of the above. Show Answer Correct Answer: B) A negative integer. 11. A prime number is ..... A) A number that has only one factor. B) $^{}$a number that has at least two factors. C) A number that has more than two factors. D) A number that has only two factors.(1 and itself). Show Answer Correct Answer: D) A number that has only two factors.(1 and itself). 12. What is the decimal answer to-15/6? A) 2.5. B) 3.5. C) -2.5. D) None of the above. Show Answer Correct Answer: C) -2.5. 13. List in order from least to greatest.5/4, 56%, 1.07, 4/5 A) $^{56%, 1.07, 4/5, 5/4}$. B) $^{56%, 4/5, 1.07, 5/4}$. C) $^{1.07, 4/5, 5/4, 56%}$. D) $^{5/4, 56%, 1.07, 4/5}$. Show Answer Correct Answer: B) $^{56%, 4/5, 1.07, 5/4}$. 14. An example of an integer is ..... A) 8/9. B) -9. C) 9.1. D) -2.3. Show Answer Correct Answer: B) -9. 15. A non-ending, 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. 16. If x = 3 + 2 $\sqrt{2}$ $\sqrt{x}-\frac{1}{\sqrt{x}}$ A) 1. B) 2. C) Can not be found out. D) None of these. Show Answer Correct Answer: B) 2. 17. Is $^{-}$23 a rational number? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 18. $\left(\left(64\right)^{-2}\right)^{\frac{1}{4}}$ A) 4. B) 1/8. C) 8. D) 1/4. Show Answer Correct Answer: B) 1/8. 19. Pairs of natural numbers whose least common multiple is 78 and the greatest common divisor is 13 are: A) 58 and 13 or 16 and 29. B) 68 and 23 or 36 and 49. C) 18 and 73 or 56 and 93. D) 78 and 13 or 26 and 39. Show Answer Correct Answer: D) 78 and 13 or 26 and 39. 20. Euclid's division lemma states that if a and b are two positive integers, then there exist unique integers q and r such that: A) A = bq + r, 0 B) A = bq + r, 0 $\ge$ $\le$. C) A = bq + r, 0 $\le$. D) A = bq + r, 0 $\le$ $\le$. Show Answer Correct Answer: C) A = bq + r, 0 $\le$. 21. .... would classify as ..... A) Whole. B) Irrational. C) Integer. D) Rational. Show Answer Correct Answer: B) Irrational. 22. True or False:15/3 can be simplified to a whole number. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. What is the most specific set for $\sqrt[]{7}$ A) Integer. B) Whole. C) Rational. D) Natural. E) Irrational. Show Answer Correct Answer: E) Irrational. 24. Order the following numbers from least to greatest:-2, 0, 1.5, -1.25 A) 0, -1.25, -2, 1.5. B) -2, -1.25, 0, 1.5. C) 1.5, 0, -1.25, -2. D) -1.25, -2, 0, 1.5. Show Answer Correct Answer: B) -2, -1.25, 0, 1.5. 25. What number below is the greatest? A) $-\sqrt{0.025}$. B) $-\frac{1}{8}$. C) $-1.5$. D) $-\sqrt{3}$. Show Answer Correct Answer: B) $-\frac{1}{8}$. 26. If n is an even natural number, then the largest natural number by which n(n+1) (n+2) is divisible, is A) 8. B) 24. C) 12. D) 6. Show Answer Correct Answer: B) 24. 27. Every positive integer is of the form 2q or 2q+1 where q is some A) Natural numbers. B) Rational numbers. C) Integers. D) None of these. Show Answer Correct Answer: C) Integers. 28. Simon and Travis both have square posters. Simon's poster has an area of 49 square inches. If Travis's poster has an area that is 13 square inches less that Simon's poster, what are the side lengths of Simon and Travis's posters? A) Simon's poster:6 inches; Travis's poster:5 inches. B) Simon's poster:6 inches; Travis's poster:7 inches. C) Simon's poster:7 inches; Travis's poster:5 inches. D) Simon's poster:7 inches; Travis's poster:6 inches. Show Answer Correct Answer: D) Simon's poster:7 inches; Travis's poster:6 inches. 29. $\frac{3^4}{3^{-4}}$ A) $1$. B) $3^8$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $3^8$. 30. If HCF of 65 and 117 are expressible in the form 65m-117, then value of m is ..... A) 2. B) -2. C) 13. D) 1. Show Answer Correct Answer: A) 2. 31. Classify the Number:-23 A) Integer. B) Rational. C) Real, irrational, integer, whole. D) Real, rational, integer. Show Answer Correct Answer: D) Real, rational, integer. 32. Prime factors of 60 is A) 2 x 5 x 6. B) 2 x 2 x 15. C) 2 x 3 x 10. D) 2 x 2 x 3 x 5. Show Answer Correct Answer: D) 2 x 2 x 3 x 5. 33. Give the most specific classification for $\pi$ A) Whole. B) Natural. C) Rational. D) Integers. E) Irrational. Show Answer Correct Answer: E) Irrational. 34. Find the value of:$\left(\left(16\right)^{-2}\right)^{\frac{1}{4}}$ A) 1/4. B) 1/2. C) 4. D) 1/16. Show Answer Correct Answer: A) 1/4. 35. For two real numbers, the product of their LCM and GCD is equal to A) Ratio of two numbers. B) Sum of two numbers. C) Difference between two numbers. D) Product of two numbers. Show Answer Correct Answer: D) Product of two numbers. 36. The decimal expansion of the rational number $\frac{2187}{1250}$ A) Three decimal place. B) Four decimal place. C) One decimal place. D) Two decimal place. Show Answer Correct Answer: B) Four decimal place. 37. Which list shows the numbers 5.78, -5.9, 58%, and 23/4 in order from least to greatest? A) 23/4, -5.9, 58%, 5.78. B) 58%, 23/4, 5.78, -5.9. C) -5.9, 23/4, 58%, 5.78. D) -5.9, 23/4, 5.78, 58%. Show Answer Correct Answer: C) -5.9, 23/4, 58%, 5.78. 38. Give the most specific classification for $1, 235$ A) Whole. B) Natural. C) Rational. D) Integers. E) Irrational. Show Answer Correct Answer: B) Natural. 39. Ex 4. Multiply8(-2)0 A) 0. B) -0. C) All the above. D) None of the above. Show Answer Correct Answer: A) 0. 40. HCF of 847 & 2160 is A) 3. B) 5. C) 1. D) 6. Show Answer Correct Answer: C) 1. 41. Three sets of physics, chemistry and mathematics books have to be stacked in such a way that all the books are stored topic wise and the number of books in each stack is the same. The number of physics books is 192, the number of chemistry books is 240 and the number of mathematics books is 168. Determine the number of stacks of physics, chemistry and mathematics books A) 7, 10, 8. B) 8, 10, 7. C) 10, 8, 7. D) 8, 8, 8. Show Answer Correct Answer: B) 8, 10, 7. 42. Identify the propertya(b + c) = ab + ac A) Distributive. B) Inverse. C) Associative of addtion. D) Commutative of addition. Show Answer Correct Answer: A) Distributive. 43. Find the degree of the polynomial (x+1)(x$^{2}$-x-x$^{4}$ + 1)$^{ }$ A) 4. B) 5. C) 1. D) 8. Show Answer Correct Answer: B) 5. 44. The largest number which devides 70 and 125 leaving remainder 5 and 8 respectively is A) 875. B) 13. C) 1750. D) 65. Show Answer Correct Answer: B) 13. 45. How would you classify-4? A) Whole Number. B) Integer. C) Natural Number. D) None of the above. Show Answer Correct Answer: B) Integer. 46. Express 98 as a product of its primes A) 2$^{2}$x7. B) 2$^{3}$x7. C) 2x7$^{2}$. D) 2$^{2}$x7$^{2}$. Show Answer Correct Answer: C) 2x7$^{2}$. 47. True or false? No positive numbers are integers. A) True. Integers are only composed of negative numbers. B) False. All integers greater than zero are positive. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. All integers greater than zero are positive. 48. (Choose all correct answers) $\pi$ A) Whole number. B) Integer. C) Rational number. D) None of these. Show Answer Correct Answer: D) None of these. 49. Given that HCF (253, 440)= 11 and LCM (253, 440) = 253 x R. The value of R is: A) 440. B) 400. C) 253. D) 40. Show Answer Correct Answer: D) 40. 50. Find the LCM of $2^3\times3^2\\and\\2^2\\times3^3$ A) 108. B) 36. C) 216. D) 64. Show Answer Correct Answer: C) 216. 51. Find the largest number that will divide 398, 436 and 542 leaving remainders 7, 11, and 15 respectively. A) 22. B) 19. C) 17. D) 15. Show Answer Correct Answer: C) 17. 52. What kind of real number is this? Check all that applies. $0.23$ A) Natural Numbers. B) Rational Numbers. C) Integers. D) Whole Numbers. E) Irrational Numbers. Show Answer Correct Answer: B) Rational Numbers. 53. Which of the following irrational numbers lies between 3 and 5? A) $\sqrt{34}$. B) $\sqrt{0.16}$. C) $\sqrt{11}$. D) $\sqrt{7}$. Show Answer Correct Answer: C) $\sqrt{11}$. 54. 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) D. C) C. D) B. Show Answer Correct Answer: C) C. 55. If set A = {1, 2, 3, 4, 5, ..... } is given, then it represents: A) Whole numbers. B) Natural numbers. C) Complex numbers. D) Rational Numbers. Show Answer Correct Answer: B) Natural numbers. 56. Fractions are shown. 1/3, 1/4, 5/8 Order the fractions from least to greatest. A) 5/8, 1/3, 1/4. B) 1/4, 1/3, 5/8. C) 1/4, 5/8, 1/3. D) 1/3, 1/4, 5/8. Show Answer Correct Answer: B) 1/4, 1/3, 5/8. 57. 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. 58. If the product of two co-prime numbers is 553, then their HCF is: A) 7. B) 1. C) 553. D) 79. Show Answer Correct Answer: B) 1. 59. 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. 60. 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. ← 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 5Class 10 Maths Chapter 1 Real Numbers Quiz 6Class 10 Maths Chapter 1 Real Numbers Quiz 7Class 10 Maths Chapter 1 Real Numbers Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books