This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 6 Squares And Square Roots – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 6 Squares And Square Roots Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $445^2$ A) 879354. B) 198025. C) 7936. D) 20634. Show Answer Correct Answer: B) 198025. 2. $\sqrt{\frac{16}{81}}$ A) 4/9. B) 8/27. C) 8/9. D) 4/3. Show Answer Correct Answer: A) 4/9. 3. What will be the unit digit of the square of 14327 A) 9. B) 8. C) 7. D) 6. Show Answer Correct Answer: A) 9. 4. 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. 5. Which of the following is not a Pythagorean triplet? A) (6, 8, 10). B) (2, 3, 5). C) (8, 15, 17). D) (10, 24, 26). Show Answer Correct Answer: B) (2, 3, 5). 6. $\sqrt{54}$ A) 3 and 4. B) 4 and 5. C) 8 and 9. D) 7 and 8. Show Answer Correct Answer: D) 7 and 8. 7. 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) 195 seconds. B) 3 minute 18 seconds. C) 197 seconds. D) 3 minute 16 seconds. Show Answer Correct Answer: D) 3 minute 16 seconds. 8. Evaluate:(75)$^{2 }$-(74)$^{2}$ A) 149. B) 150. C) 123. D) 122. Show Answer Correct Answer: A) 149. 9. 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. 10. $\left(5-3\right)^2=$ A) $64$. B) $1$. C) $4$. D) $9$. Show Answer Correct Answer: C) $4$. 11. $\sqrt{5}\times\sqrt{5}=$ A) $25$. B) 5. C) $2\sqrt{5}$. D) $\sqrt{10}$. Show Answer Correct Answer: B) 5. 12. $\sqrt[]{2\times2\times2\times2\times3\times3}=x$ A) 11. B) 13. C) 12. D) 7. Show Answer Correct Answer: C) 12. 13. Evaluate:(37)$^{}$$^{2}$-(36)$^{2}$ A) 73. B) 72. C) 74. D) 75. Show Answer Correct Answer: A) 73. 14. $\sqrt{187}$ A) 13.6747943312. B) 13.666583989906. C) 13.66658398553. D) 13.666294877. Show Answer Correct Answer: A) 13.6747943312. 15. 27 is a perfect cube A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. How many natural numbers lies between 35$^{2 }$and 36$^{2}$ A) 70. B) 71. C) 37. D) 34. Show Answer Correct Answer: B) 71. 17. Write down the correct number for203$^{2 }$-202$^{2}$ A) 400. B) 405. C) 410. D) 202.5. Show Answer Correct Answer: B) 405. 18. The number of non-perfect squares between 25 and 36 is ..... A) 8. B) 10. C) 9. D) 11. Show Answer Correct Answer: B) 10. 19. What is the square root of 9? A) 81. B) 3. C) 27. D) 18. Show Answer Correct Answer: B) 3. 20. Which of the following is wrong statement? A) The square of even numbers is even. B) The sum of first n odd natural numbers is 2n. C) The square of proper fraction is less than the fraction. D) A number ending with odd number of zeros is not a perfect square. Show Answer Correct Answer: B) The sum of first n odd natural numbers is 2n. 21. Which number has a square root that is between 7 and 8? A) 48. B) 81. C) 60. D) 36. Show Answer Correct Answer: C) 60. 22. 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. 23. $-\sqrt{4^2}$ A) -2. B) 2. C) -4. D) 4. Show Answer Correct Answer: C) -4. 24. & X is a Pythagorean triplet where 41 is the largest number, Find x A) 41. B) 13. C) 7. D) 9TagsPythagoras theorem. Show Answer Correct Answer: D) 9TagsPythagoras theorem. 25. 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. ← PreviousNext →Related 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 3Class 8 Maths Chapter 6 Squares And Square Roots Quiz 4Class 8 Maths Chapter 6 Squares And Square Roots Quiz 5Class 8 Maths Chapter 6 Squares And Square Roots Quiz 6Class 8 Maths Chapter 6 Squares And Square Roots Quiz 7Class 8 Maths Chapter 6 Squares And Square Roots Quiz 9Class 8 Maths Chapter 6 Squares And Square Roots Quiz 10Class 8 Maths Chapter 6 Squares And Square Roots Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books