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 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 6 Squares And Square Roots Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sixth triangular number is ..... A) 25. B) 9. C) 36. D) 16. Show Answer Correct Answer: C) 36. 2. $\sqrt{\frac{64}{25}}=\frac{y}{5}$ A) 4. B) 8. C) All the above. D) None of the above. Show Answer Correct Answer: B) 8. 3. What is $\sqrt[]{64}$ A) 8. B) 32. C) 128. D) 64. Show Answer Correct Answer: A) 8. 4. The area of a square is 117 square meters. Which best represents the length of a side of the square? A) 11 m. B) 10.8 m. C) 10 m. D) 11.2 m. Show Answer Correct Answer: B) 10.8 m. 5. Find the value of $\sqrt{10000}$ A) 1000. B) 10. C) 100. D) 500. Show Answer Correct Answer: C) 100. 6. Write 'True' or 'False'The square of a prime number is prime A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 7. Find the smallest number which must be added to 18265 to make it a perfect square A) 241. B) 201. C) 221. D) 231. Show Answer Correct Answer: D) 231. 8. A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement. A) 77. B) 92. C) 71. D) 65. Show Answer Correct Answer: A) 77. 9. $\sqrt{4}\times\sqrt{4}=$ A) 4. B) $16$. C) $\sqrt{8}$. D) $2\sqrt{4}$. Show Answer Correct Answer: A) 4. 10. If you have 196 chairs and you need to arrange them in an equal amount of row and columns, how many chairs will be in each row? A) 13. B) 15. C) 12. D) 14. Show Answer Correct Answer: D) 14. 11. How many natural numbers lie between 9$^{2}$ and 10$^{2}$? A) 17. B) 20. C) 18. D) 19. Show Answer Correct Answer: C) 18. 12. Find the greatest number of five digits which is a perfect square. A) 99856. B) 10000. C) 99988. D) 99999. Show Answer Correct Answer: A) 99856. 13. Find $\sqrt{625}$ A) 15. B) 35. C) 25. D) 45. Show Answer Correct Answer: C) 25. 14. How many natural numbers lie between 10$^{2}$ and 11$^{2}$? A) 21. B) 22. C) 10. D) 11. Show Answer Correct Answer: B) 22. 15. What will be the number of zeros in the square of the number 50 A) 2. B) 1. C) 3. D) 4. Show Answer Correct Answer: A) 2. 16. $Evaluate:\\sqrt{\frac{9}{5}\times\frac{637}{44}\times\frac{117}{55}}$ A) 449/110. B) 219/110. C) 719/110. D) 819/110. Show Answer Correct Answer: D) 819/110. 17. The square root of 1.96 is ..... A) 1.2. B) 0.14. C) 1.4. D) 0.12. Show Answer Correct Answer: C) 1.4. 18. There are how many non perfect squares between the square of 5 and 6 A) 20. B) 12. C) 15. D) 10. Show Answer Correct Answer: D) 10. 19. Find the smallest with which 3150 be divided so that the quotient is a perfect square? A) 14. B) 28. C) 7. D) 2. Show Answer Correct Answer: A) 14. 20. $\sqrt{25}=\sqrt{x^2}$ A) 25. B) 5. C) 10. D) 1. Show Answer Correct Answer: B) 5. 21. Find the smallest square number which is divisible by each of the numbers 6, 9 and 15. A) 450. B) 600. C) 1200. D) 900. Show Answer Correct Answer: D) 900. 22. Which of the following is square of 0.4? A) 0.4. B) 1.6. C) 4.4. D) 0.16. Show Answer Correct Answer: D) 0.16. 23. What will be the number of zeros in the square of the number 100 A) 8. B) 6. C) 2. D) 4. Show Answer Correct Answer: D) 4. 24. Find the squares of 395. A) 65255. B) 152065. C) 156025. D) 790. Show Answer Correct Answer: C) 156025. 25. The unit digit in the square of the number 78 is A) 4. B) 1. C) 3. D) 2. Show Answer Correct Answer: A) 4. 26. What will be the unit digit of square of 35789? A) 1. B) 3. C) 9. D) 8. Show Answer Correct Answer: A) 1. 27. Find:$\sqrt{\frac{121}{169}}$ A) $\frac{12}{11}$. B) $\frac{13}{11}$. C) $\frac{11}{13}$. D) $\frac{11}{12}$. Show Answer Correct Answer: C) $\frac{11}{13}$. 28. The square of 137 is A) 17769. B) 18769. C) 18559. D) None of these. Show Answer Correct Answer: B) 18769. 29. What will be the number of zeros in the square of the number 9000 A) 4. B) 2. C) 3. D) 6. Show Answer Correct Answer: D) 6. 30. The square root of 81 is 9. What is the number whose square root is 9000? A) 81000. B) 8100000. C) 810000. D) 81000000. Show Answer Correct Answer: D) 81000000. 31. What operation will undo the square of a number. In other words, what is the opposite of squaring a number? A) Divide by 2. B) Square Root. C) Subtraction. D) Dividing by the number. Show Answer Correct Answer: B) Square Root. 32. Numbers that can be written as a fraction are called ..... numbers. A) Rational. B) Irrational. C) Integers. D) Fractions. Show Answer Correct Answer: A) Rational. 33. $\sqrt{\frac{64}{25}}=\frac{y}{x}$ A) 4. B) 7. C) 13. D) 8. Show Answer Correct Answer: C) 13. 34. $\left(218\right)^2-\left(217\right)^2$ A) 1. B) 455. C) 217. D) 435. Show Answer Correct Answer: D) 435. 35. A decimal that terminates or continues forever in a pattern is called ..... A) Rational. B) Irrational. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rational. 36. Find the smallest perfect square number divisible by 24, 30 and 60. A) 784. B) 6400. C) 57600. D) 3600. Show Answer Correct Answer: D) 3600. 37. What is a characteristic of square numbers in terms of zeros at the end? A) They can have both even and odd number of zeros at the end. B) They can only have even number of zeros at the end. C) They can only have odd number of zeros at the end. D) They cannot have any zeros at the end. Show Answer Correct Answer: B) They can only have even number of zeros at the end. 38. If I know the area of a square, how do I find the side length? A) I divide the area by 2. B) I square the area. C) I take the square root of the area. D) I divide the area by 4. Show Answer Correct Answer: C) I take the square root of the area. 39. Which number should 1445 be divided so that the resulting quotient is a perfect square? A) 5. B) 3. C) -5. D) -3. Show Answer Correct Answer: A) 5. 40. Which of the following will have 1 at its units place? A) 16$^{2}$. B) 17$^{2}$. C) 18$^{2}$. D) 19$^{2}$. Show Answer Correct Answer: D) 19$^{2}$. 41. Square root is the inverse of ..... A) Absolute Value. B) Squaring. C) Cube Roots. D) Multiplication. Show Answer Correct Answer: B) Squaring. 42. What will be digit in the thousands place of (1111)$^{2}$? A) 1. B) 4. C) 2. D) 3. Show Answer Correct Answer: B) 4. 43. Find the sun without actual addition1+3+5+7+9+11+13 A) 121. B) 64. C) 36. D) 49. Show Answer Correct Answer: D) 49. 44. What is the side length of a square that has an area of 40? A) 20. B) 6.3. C) 1600. D) 10. Show Answer Correct Answer: B) 6.3. 45. How many integral square roots does a perfect square number have? A) Two. B) One. C) Three. D) Four. Show Answer Correct Answer: A) Two. 46. Find the square root of number by using the method of prime factorization:17424 A) 284. B) 196. C) 138. D) 132. Show Answer Correct Answer: D) 132. 47. The square of 23 is: A) ( c ) 46. B) ( b ) 526. C) ( a ) 529. D) ( d ) 429. Show Answer Correct Answer: C) ( a ) 529. 48. The valu of 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 +17 + 19 + 21 is A) 13$^{2}$. B) 12$^{2}$. C) 11$^{2}$. D) 10$^{2}$. Show Answer Correct Answer: C) 11$^{2}$. 49. How many Nonsquare nos are there between the squares of n and n +1 A) On. B) That. C) N. D) None of the above. Show Answer Correct Answer: B) That. 50. How many digits are there in the square root of 15376 A) 5. B) 3. C) 4. D) 6. Show Answer Correct Answer: B) 3. 51. Simplify $\sqrt{25}+\sqrt{100}$ A) $15$. B) $125$. C) $\sqrt{15}$. D) $\sqrt{125}$. Show Answer Correct Answer: A) $15$. 52. $14^2\-\\sqrt{144}$ A) 14-12. B) 196-12. C) 12-196. D) None of the above. Show Answer Correct Answer: B) 196-12. 53. Identify:$\sqrt{324}$ A) -18. B) 162. C) 18. D) -162. Show Answer Correct Answer: C) 18. 54. By what number would you divide 300, so that resulting number is a perfect square? A) 6. B) 3. C) 5. D) 4. Show Answer Correct Answer: B) 3. 55. Which one of the following number is not a perfect squre? A) 121. B) 64. C) 144. D) 85. Show Answer Correct Answer: D) 85. 56. How can you determine if a natural number is not a perfect square? A) If it has an even number of zeros at the end. B) If it can be expressed as a sum of successive odd natural numbers starting with 1. C) If it has an odd number of zeros at the end. D) If it cannot be expressed as a sum of successive odd natural numbers starting with 1. Show Answer Correct Answer: D) If it cannot be expressed as a sum of successive odd natural numbers starting with 1. 57. Which contains a list of perfect squares? A) 20, 24, 36, 48. B) 36, 49, 62, 84. C) 34, 48, 64, 81. D) 25, 36, 49, 64. Show Answer Correct Answer: D) 25, 36, 49, 64. 58. Which of the following is the square of an even number? A) 625. B) 196. C) 529. D) 441. Show Answer Correct Answer: B) 196. 59. Find the unit digit the square of 1234 A) 6. B) 16. C) 20. D) None of the above. Show Answer Correct Answer: A) 6. 60. If the perimeter of a square is 60 cm, then it's area is A) 196 cm$^{2}$. B) Data not appropriate. C) 225 cm$^{2}$. D) 289 cm$^{2}$. Show Answer Correct Answer: C) 225 cm$^{2}$. ← 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 3Class 8 Maths Chapter 6 Squares And Square Roots Quiz 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books