This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Squares And Square Roots > Class 8 Maths Chapter 6 Squares And Square Roots – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 6 Squares And Square Roots Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the smallest whole number by which it should be divided to 2645 so as to get a perfect square. A) 7. B) 2. C) 3. D) 5. Show Answer Correct Answer: D) 5. 2. Find the value of 14$^{2}$ A) 256. B) 196. C) 296. D) 156. Show Answer Correct Answer: B) 196. 3. What is square root of 225 A) 15. B) 10+6. C) 16. D) 19. Show Answer Correct Answer: A) 15. 4. Is it possible to have a square of a rational number? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. All square numbers are positive. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What is 14$^{2}$? A) 2, 744. B) 28. C) 169. D) 196. Show Answer Correct Answer: D) 196. 7. Which is the greatest 4-digit perfect square? A) 9999. B) 9801. C) 9990. D) 9800. Show Answer Correct Answer: B) 9801. 8. The area of a square field is 60025 sq. m. A man cycles along its boundary at 18 Km/hr. In how much time will he return at the starting point? A) 3 minutes 26 seconds. B) 3 minutes 16 seconds. C) 18 minutes 16 seconds. D) 39 minutes 56 seconds. Show Answer Correct Answer: B) 3 minutes 16 seconds. 9. An imperfect square is a number whose square root is ..... A) Irrational. B) Even. C) Odd. D) Rational. Show Answer Correct Answer: A) Irrational. 10. Find the square root of 46656. A) 216. B) 214. C) 206. D) 226. Show Answer Correct Answer: A) 216. 11. If Lucy's square garden has a total perimeter of 12ft, how big is the inside (area) part of the garden? A) Passed $^{a} $. B) 3ft $ ^ {2} $. C) 12ft$^{2}$. D) 9ft $ ^ {2} $. Show Answer Correct Answer: D) 9ft $ ^ {2} $. 12. Is not a perfect square A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. How many numbers lie between squares of 12 and 13 A) 13. B) 42. C) 24. D) 12. Show Answer Correct Answer: C) 24. 14. A perfect square number leaves 0 or 1 remainder on division by A) 7. B) 1. C) 3. D) 2. Show Answer Correct Answer: C) 3. 15. $Evaluate\:\\sqrt{248+\sqrt{52+\sqrt{144}}}$ A) 8. B) 32. C) 16. D) 4. Show Answer Correct Answer: C) 16. 16. Square of a number 7 at the units place ends in A) 7. B) 3. C) 1. D) 9. Show Answer Correct Answer: D) 9. 17. The square of which of the following would be odd number? A) ( d ) 7928. B) ( c) 1234. C) ( b) 272. D) ( a) 431. Show Answer Correct Answer: D) ( a) 431. 18. If 5278 is squared, then what will be at unit place? A) 6. B) 8. C) 4. D) 7. Show Answer Correct Answer: C) 4. 19. The $\sqrt{135}$ A) 10 and 11. B) 11 and 12. C) 12 and 13. D) 13 and 14. Show Answer Correct Answer: B) 11 and 12. 20. $\sqrt{7}\times\sqrt{2}=$ A) $\sqrt{35}$. B) $\sqrt{14}$. C) $2$. D) None of the above. Show Answer Correct Answer: B) $\sqrt{14}$. 21. Find the least number which must be added to 6412 so as to get a perfect square. A) 200. B) 148. C) 312. D) 149. Show Answer Correct Answer: D) 149. 22. Which is a perfect square? A) 200. B) 8. C) 256. D) 32. E) 50. Show Answer Correct Answer: C) 256. 23. A square field has 3, 844 sq. meters of land. What is the width of the field? A) 961 meters. B) 248 meters. C) 62 meters. D) 480.5 meters. Show Answer Correct Answer: C) 62 meters. 24. What is the value of $\sqrt{1.44}$ A) 1.2. B) 0.12. C) 12. D) None of the above. Show Answer Correct Answer: A) 1.2. 25. Which shows 7$^{4}$ in expanded form? A) 2401. B) 4 * 4 * 4 * 4 * 4 * 4 * 4. C) 7 * 7 * 7 * 7. D) 16, 384. Show Answer Correct Answer: C) 7 * 7 * 7 * 7. 26. $\sqrt{\frac{16}{81}}$ A) 8/9. B) 8/27. C) 4/9. D) 4/3. Show Answer Correct Answer: C) 4/9. 27. What will be the unit digit of the square of 14327 A) 6. B) 8. C) 9. D) 7. Show Answer Correct Answer: C) 9. 28. Is 9025 is a square of 85? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. Which of the following is not a Pythagorean triplet? A) (8, 15, 17). B) (6, 8, 10). C) (10, 24, 26). D) (2, 3, 5). Show Answer Correct Answer: D) (2, 3, 5). 30. 13$^{2= ..... }$ A) 119. B) 26. C) 169. D) 99. Show Answer Correct Answer: C) 169. 31. The area of a square field is 60025 m$^{2}$. A man cycles along its boundary at 18 km/hr. How much time will he take to reach the starting point? A) 3 minute 18 seconds. B) 3 minute 16 seconds. C) 197 seconds. D) 195 seconds. Show Answer Correct Answer: B) 3 minute 16 seconds. 32. Evaluate:(75)$^{2 }$-(74)$^{2}$ A) 123. B) 150. C) 122. D) 149. Show Answer Correct Answer: D) 149. 33. Find the sum of two consecutive numbers for 21 A) 224+225. B) 220+221. C) 230+231. D) None of the above. Show Answer Correct Answer: B) 220+221. 34. $\left(5-3\right)^2=$ A) $9$. B) $64$. C) $4$. D) $1$. Show Answer Correct Answer: C) $4$. 35. $\sqrt{5}\times\sqrt{5}=$ A) $25$. B) $2\sqrt{5}$. C) $\sqrt{10}$. D) 5. Show Answer Correct Answer: D) 5. 36. $\sqrt[]{2\times2\times2\times2\times3\times3}=x$ A) 12. B) 11. C) 7. D) 13. Show Answer Correct Answer: A) 12. 37. Evaluate:(37)$^{}$$^{2}$-(36)$^{2}$ A) 72. B) 74. C) 75. D) 73. Show Answer Correct Answer: D) 73. 38. How many natural numbers lies between 35$^{2 }$and 36$^{2}$ A) 34. B) 70. C) 71. D) 37. Show Answer Correct Answer: C) 71. 39. Write down the correct number for203$^{2 }$-202$^{2}$ A) 400. B) 202.5. C) 405. D) 410. Show Answer Correct Answer: C) 405. 40. The number of non-perfect squares between 25 and 36 is ..... A) 11. B) 9. C) 8. D) 10. Show Answer Correct Answer: D) 10. 41. What is the square root of 9? A) 27. B) 18. C) 81. D) 3. Show Answer Correct Answer: D) 3. 42. Which of the following is wrong statement? A) A number ending with odd number of zeros is not a perfect square. B) The sum of first n odd natural numbers is 2n. C) The square of even numbers is even. D) The square of proper fraction is less than the fraction. Show Answer Correct Answer: B) The sum of first n odd natural numbers is 2n. 43. Which number has a square root that is between 7 and 8? A) 60. B) 48. C) 36. D) 81. Show Answer Correct Answer: A) 60. 44. A cube has a volume of 125 cm$^{3}$. What is the length of each side of the cube? A) 5 cm. B) 25 cm. C) 15 cm. D) None of the above. Show Answer Correct Answer: A) 5 cm. 45. & X is a Pythagorean triplet where 41 is the largest number, Find x A) 41. B) 13. C) 9TagsPythagoras theorem. D) 7. Show Answer Correct Answer: C) 9TagsPythagoras theorem. 46. If x$^{2}$= 100, then A) X = 10 and x =-10. B) X =-10. C) X = 10. D) X = 50. Show Answer Correct Answer: A) X = 10 and x =-10. 47. Is 180 a perfect square? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 48. Pick the integer that lies between 23$^{2 }$and 27$^{2}$ A) 681. B) 678. C) 530. D) 513. Show Answer Correct Answer: C) 530. 49. What is $\sqrt[]{324}$ A) 81. B) 9. C) 162. D) 18. Show Answer Correct Answer: D) 18. 50. Mr. Woodside is building a garden outside of Walker-Grant Middle School. He has enough fertilizer to cover 121 square feet. If Mr. Woodside wants to make a square garden, what should the length of each side be? A) 12ft. B) 11ft. C) 121ft. D) 13ft. Show Answer Correct Answer: B) 11ft. 51. In a school parade, students will have to form a square if there are 735 students in the school. How many students won't be a part of it? A) 14. B) 8. C) 24. D) 6. Show Answer Correct Answer: D) 6. 52. A perfect square is created when a whole number is multiplied by ..... A) A fraction. B) A two digit number. C) A different number. D) Itself. Show Answer Correct Answer: D) Itself. 53. Given the total surface area of a cube is 864m$^{2}$, calculate the volume, in m$^{3}$, of the cube. A) 432. B) 1728. C) 144. D) 3456. Show Answer Correct Answer: B) 1728. 54. By what least number should the given number be divided to get a perfect square number?4056 A) 3. B) 2. C) 13. D) 6. Show Answer Correct Answer: D) 6. 55. What should be divided from 2156 to make it a perfect square? A) 7. B) 3. C) 11. D) 5. Show Answer Correct Answer: C) 11. 56. $\left(1\frac{1}{3}\right)^2=\left(\frac{p}{3}\right)^2$ A) 1. B) 3. C) 4. D) None of the above. Show Answer Correct Answer: C) 4. 57. Which of the following is NOT an example of a perfect square? A) 200. B) 9. C) 4. D) 64. Show Answer Correct Answer: A) 200. 58. Which of the following is square of 2.1? A) 44.1. B) 4.1. C) 441. D) 4.41. Show Answer Correct Answer: D) 4.41. 59. All the following are Perfect Squares except for which one? A) 81. B) 361. C) 121. D) 198. Show Answer Correct Answer: D) 198. 60. Which of the following numbers cant be at the units digit of a perfect square? A) 3. B) 6. C) 5. D) 4. Show Answer Correct Answer: A) 3. ← PreviousNext →Related QuizzesMathematics QuizzesClass 8 QuizzesClass 8 Maths Chapter 6 Squares And Square Roots Quiz 1Class 8 Maths Chapter 6 Squares And Square Roots Quiz 2Class 8 Maths Chapter 6 Squares And Square Roots Quiz 4Class 8 Maths Chapter 6 Squares And Square Roots Quiz 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books