This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Mathematics > Real Numbers > Class 10 Maths Chapter 1 Real Numbers – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 1 Real Numbers Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the area of a square is 81cm$^{2}$, what is the side length? A) 81cm. B) 9cm. C) 3cm. D) 9cm$^{2}$. Show Answer Correct Answer: B) 9cm. 2. When a number is divided by 7, its remainder is always: A) Less than 7. B) At most 7. C) Greater than 7. D) At least 7. Show Answer Correct Answer: A) Less than 7. 3. The LCM of 24 and 36 is: A) 144. B) 12. C) 72. D) 48. Show Answer Correct Answer: C) 72. 4. Which list is in order from least to greatest? A) $\pi+10, \\sqrt{20}+\frac{1}{2}, \\sqrt{100}$. B) $\sqrt{100}, \\pi+10, \\sqrt{20}+\frac{1}{2}$. C) $\sqrt{20}+\\frac{1}{2}, \\sqrt{100}, \\pi+10$. D) None of the above. Show Answer Correct Answer: C) $\sqrt{20}+\\frac{1}{2}, \\sqrt{100}, \\pi+10$. 5. Devon does 3 math problems every 2 minutes. At this rate, how many math problems will he do in 1 hour (60 minutes)? A) 50 questions. B) 10 questions. C) 14 questions. D) 90 questions. Show Answer Correct Answer: D) 90 questions. 6. A non-repeating or non-terminating decimal is classified as ..... A) Whole, integer, irrational, real. B) Integer, rational, real. C) Irrational, real. D) Rational, real. Show Answer Correct Answer: C) Irrational, real. 7. What is the most specific set for $-9$ A) Integer. B) Rational. C) Natural. D) Whole. E) Irrational. Show Answer Correct Answer: A) Integer. 8. The greatest number which divides 281 and 1249, leaving the remainder 5 and 7 respectively, is: A) 69. B) 23. C) 138. D) 276. Show Answer Correct Answer: C) 138. 9. Numbers which cannot be in the form of p/q A) Irrational number. B) Integer. C) Natural number. D) Whole number. Show Answer Correct Answer: A) Irrational number. 10. Write the HCF of smallest composite number and smallest prime number A) 3. B) 1. C) 2. D) 4. Show Answer Correct Answer: C) 2. 11. The opposite of a real number is ..... A) An unreal number. B) An imaginary number. C) A contradictory number. D) A fake number. Show Answer Correct Answer: B) An imaginary number. 12. Solve the equation:4z-9 = 15 A) Z = 5. B) Z = 6. C) Z = 10. D) Z = 12. Show Answer Correct Answer: B) Z = 6. 13. Is 1/2 a terminating decimal or a repeating decimal? A) Terminating decimal. B) Repeating decimal. C) All the above. D) None of the above. Show Answer Correct Answer: A) Terminating decimal. 14. Which list shows these numbers in order from least to greatest? A) $-5.17$ $\frac{26}{5}$ $\sqrt{33}$ $\frac{37}{6}$. B) $\frac{26}{5}$ $-5.17$ $\frac{37}{6}$ $\sqrt{33}$. C) $\frac{26}{5}$ $-5.17$ $\sqrt{33}$ $\frac{37}{6}$. D) $-5.17$ $\frac{26}{5}$ $\frac{37}{6}$ $\sqrt{33}$. Show Answer Correct Answer: C) $\frac{26}{5}$ $-5.17$ $\sqrt{33}$ $\frac{37}{6}$. 15. A rational number: A) Is not a real number. B) Can't have a decimal. C) Is only positive. D) Can be turned into a fraction. Show Answer Correct Answer: D) Can be turned into a fraction. 16. Convert 53% to a decimal A) 5.30. B) 0.53. C) 0.053. D) 53.0. Show Answer Correct Answer: B) 0.53. 17. What is the minimum number of books you will acquire for the class library, so that they can be distributed equally among students of Section A or Section B? A) 144. B) 288. C) 128. D) 272. Show Answer Correct Answer: B) 288. 18. Classify the following number:1.01011011101111 ..... A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irrational. 19. A perfect square is which type of number? A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rational. 20. Classify the number by checking all that apply!-6.75(Hint:every number shown is a REAL number!) A) Irrational. B) Integer. C) Whole. D) Rational. E) Natural. Show Answer Correct Answer: D) Rational. 21. The smallest prime number is: A) 3. B) 5. C) 2. D) 1. Show Answer Correct Answer: C) 2. 22. What is the definition of a real number? A) A real number is any value that can represent a distance along a continuous line, including all rational and irrational numbers. B) A real number is any number that is not a complex number. C) A real number is a value that cannot be expressed as a fraction. D) A real number is only a whole number or an integer. Show Answer Correct Answer: A) A real number is any value that can represent a distance along a continuous line, including all rational and irrational numbers. 23. Which subset contains decimals that can repeat? A) Rational. B) Irrational. C) Integer. D) Natural. Show Answer Correct Answer: A) Rational. 24. 3is an example of which property? A) Additive Identity. B) Additive inverse. C) Multiplicative Identity. D) Multiplicative Inverse. Show Answer Correct Answer: A) Additive Identity. 25. Which kind of decimals are irrational? A) Those that terminate. B) Those that repeat a pattern. C) Those that never end. D) Those that never end and have no pattern. Show Answer Correct Answer: D) Those that never end and have no pattern. 26. Classify this number 6.7 A) Real. B) Real and rational. C) Real rational integer. D) Real rational integer whole. Show Answer Correct Answer: B) Real and rational. 27. When n is positive, -6n is positive. A) Always. B) Sometimes. C) Never. D) None of the above. Show Answer Correct Answer: C) Never. 28. If HCF of 55 and 99 is expressible in the form 55 m-99, then the value of m: A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: D) 2. 29. State the distributive property of multiplication over addition for real numbers A) A * (b * c) = a * b * a * c. B) A * (b + c) = a * b + a * c. C) A * (b / c) = a * b / a * c. D) A * (b-c) = a * b-a * c. Show Answer Correct Answer: B) A * (b + c) = a * b + a * c. 30. Real number consist of A) Only rational numbers. B) Only irrational numbers. C) Neither rational nor irrational number. D) Both rational and irrational numbers. Show Answer Correct Answer: D) Both rational and irrational numbers. 31. Determine if the number 0.333 ..... is rational or irrational A) Rational. B) Natural. C) Whole number. D) Irrational. Show Answer Correct Answer: A) Rational. 32. To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library.There are two sections.-Section A and Section B of grade X.There are 32 students in Section A and 36 students in Section B.Based on the above information answer the following questions.36 can be expressed as a product of its primes as A) $2^2\times3^2$. B) $2\times3^2$. C) $2^3\times3$. D) $2^0\times3^0$. Show Answer Correct Answer: A) $2^2\times3^2$. 33. If two positive integers p and q can be expressed as p = $ab^2$ $a^3b$ A) $a^2b^2$. B) $a^3b^3$. C) $a^3b^2$. D) Ab. Show Answer Correct Answer: C) $a^3b^2$. 34. Log $_{a }$x $^{n }$= A) N log $_{a }$x. B) 0. C) Log $_{a }$n$^{x}$. D) N log $_{x }$a. Show Answer Correct Answer: A) N log $_{a }$x. 35. The HCF & LCM of 12, 21, 15 are: A) 420, 3. B) 3, 420. C) 12, 420. D) 3, 140. Show Answer Correct Answer: B) 3, 420. 36. According to the Fundamental Theorem of Arithmetic, if p (a prime number) divides b$^{2}$ and b is positive, then ..... A) P$^{2 }$divides b$^{2}$. B) P divides b. C) B divides p. D) B$^{2 }$divides p. Show Answer Correct Answer: B) P divides b. 37. Find HCF of 4pq$^{2}$r, 5p$^{2}$qr, and 6pqr$^{2}$ A) P$^{2}$q$^{2}$r$^{2}$. B) 2p$^{2}$q$^{2}$r$^{2}$. C) Pqr. D) 2pqr. Show Answer Correct Answer: C) Pqr. 38. An irrational number cannot be written in the form $\frac{p}{q}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 39. The product of two consecutive integers is divisible by A) 7. B) 2. C) 3. D) 5. Show Answer Correct Answer: B) 2. 40. -1.4 is not included in the set of ..... because it has a decimal (or fractional) part. A) Rational numbers. B) Integers. C) Real numbers. D) None of the above. Show Answer Correct Answer: B) Integers. 41. Evaluate:log$_{4}$16 A) 2. B) 1/2. C) -2. D) 4. Show Answer Correct Answer: A) 2. 42. The product of two consecutive positive integers is divisible by 2' A) NON OF THESE. B) FALSE. C) TRUE. D) CAN'T SAY. Show Answer Correct Answer: C) TRUE. 43. Sylvia's square pool has an area of 130 ft$^{2}$. What is the approximate side length of the pool? (Between which two whole numbers?) A) 10 and 11. B) 11 and 12. C) 12 and 13. D) 13 and 14. Show Answer Correct Answer: B) 11 and 12. 44. What kind of real number is this? Check all that applies. $\sqrt{11}$ A) Whole Numbers. B) Integers. C) Irrational Numbers. D) Natural Numbers. E) Rational Numbers. Show Answer Correct Answer: C) Irrational Numbers. 45. Which of the following is the decimal expansion of an irrational number A) 0.12. B) 5.010010001 . C) 6.03. D) 4.561. Show Answer Correct Answer: B) 5.010010001 . 46. Given that HCF( 26, 91) =13, then LCM of (26, 91) is: A) 364. B) 182. C) 2366. D) 91. Show Answer Correct Answer: B) 182. 47. Two bikers are riding a circular path. The first rider completes a round in 12 minutes. The second rider completes a round in 18 minutes. If they both started at the same place and time and go in the same direction, after how many minutes will they meet again at the starting point?Problem can be solved using A) LCM. B) HCF. C) None. D) None of the above. Show Answer Correct Answer: A) LCM. 48. Which of the following numbers has terminating decimal expansion? A) $\frac{21}{2^35^6}$. B) $\frac{37}{45}$. C) $\frac{17}{49}$. D) $\frac{89}{2^23^2}$. Show Answer Correct Answer: A) $\frac{21}{2^35^6}$. 49. Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in each case. A) 43. B) 103. C) 132. D) None of these. Show Answer Correct Answer: D) None of these. 50. Prime factorisation of 455 is ..... A) 7X7X5. B) 15X3X7. C) 2X2X5X7X9. D) 7X13X5. Show Answer Correct Answer: D) 7X13X5. 51. A Physical Education Teacher wishes to distribute 60 balls and 135 bats equally among a number of boys. The greatest number receiving the gift in this way are ..... A) 15. B) 17. C) 16. D) None of the above. Show Answer Correct Answer: A) 15. 52. Value of $\sqrt[4]{81^{-2}}$ A) 9. B) $\frac{1}{81}$. C) $\frac{1}{3}$. D) $\frac{1}{9}$. Show Answer Correct Answer: D) $\frac{1}{9}$. 53. Find the LCM of 6ab and 9 abp A) 3abp. B) 9abp. C) 18abp. D) 6abp. Show Answer Correct Answer: C) 18abp. 54. The number0.211211121111211111 ..... is a ..... A) Terminating decimal. B) Non-terminating repeating decimal. C) Non-terminating and non-repeating decimal. D) None of the above. Show Answer Correct Answer: C) Non-terminating and non-repeating decimal. 55. An army contingent of 1232 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march? A) 4. B) 6. C) 8. D) 16. Show Answer Correct Answer: D) 16. 56. LCM of 2x, 3x and 5x is A) 15x. B) X$^{3}$. C) 30x. D) 30x$^{3}$. Show Answer Correct Answer: C) 30x. 57. L.C.M of 17, 23 is ..... A) 567. B) 231. C) 651. D) 391. Show Answer Correct Answer: D) 391. 58. (Choose all correct answers) $-1\frac{2}{15}$ A) Whole number. B) Integer. C) Rational number. D) None of these. Show Answer Correct Answer: C) Rational number. 59. $0.\overline{8}$ A) $\frac{8}{11}$. B) $\frac{8}{9}$. C) $\frac{4}{5}$. D) $\frac{3}{4}$. Show Answer Correct Answer: B) $\frac{8}{9}$. 60. Ex 2. Subtract-8-(-1) A) -9. B) 7. C) -7. D) 9. Show Answer Correct Answer: C) -7. ← 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 8Class 10 Maths Chapter 1 Real Numbers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books