This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Cubes And Cube Roots > Class 8 Maths Chapter 7 Cubes And Cube Roots – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 7 Cubes And Cube Roots Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the smallest number by which 8192 must be divided so that quotient is a perfect cube? A) 12. B) 6. C) 2. D) 8. Show Answer Correct Answer: C) 2. 2. The cube of an odd natural number is A) Odd. B) Prime number. C) Even. D) May be even, may be odd. Show Answer Correct Answer: A) Odd. 3. $\sqrt[3]{1331}$ A) 110. B) 1.1. C) 11. D) 0.11. Show Answer Correct Answer: C) 11. 4. Shisha is making a cube of side 6 cm using cubes of sides 2 cm. How many such cubes are needed. A) 9. B) 216. C) 27. D) 36. Show Answer Correct Answer: C) 27. 5. Find the smallest number by which 5184 should be multiplied so that product is a perfect cube. Also find the cube root of the product. A) 6 and 26. B) 9 and 36. C) 9 and 33. D) None. Show Answer Correct Answer: B) 9 and 36. 6. The cube of 9 can be written as: A) 71 + 72 + +89. B) 73 + 75+ +89. C) 70 + 71 + 73+ + 91. D) None of these. Show Answer Correct Answer: B) 73 + 75+ +89. 7. $\left(-3\right)^2-\left(-5\right)^3=$ A) $-3-5$. B) $9+125$. C) $-9-125$. D) $-3+5$. Show Answer Correct Answer: B) $9+125$. 8. Find the smallest number by which the number 1296 must be divided to obtain a perfect cube. A) 3. B) 2. C) 4. D) 6. Show Answer Correct Answer: D) 6. 9. Without calculation, find cube root of 39, 304. A) 44. B) 34. C) 54. D) 56. Show Answer Correct Answer: B) 34. 10. $^3\sqrt{\frac{512}{125}}=$ A) 12/25. B) 6/5. C) 8/10. D) 8/5. Show Answer Correct Answer: D) 8/5. 11. Cuberoot of 17576 is A) 27. B) 28. C) 25. D) 26. Show Answer Correct Answer: D) 26. 12. When we find the cube root of any number by the method of estimation we make two groups. From first group what is found for cube root? A) Ten's digit of cube root. B) Can't find any thing from this method. C) One's digit of cube root. D) Whole cube root. Show Answer Correct Answer: C) One's digit of cube root. 13. Cube root of 39304 A) 34. B) 43. C) 44. D) None of the above. Show Answer Correct Answer: A) 34. 14. If in the prime factorisation of any number each factor appears three times, then the number is a? A) Perfect cube. B) Perfect square. C) Composite number. D) Prime number. Show Answer Correct Answer: A) Perfect cube. 15. $^3\sqrt{\frac{1}{216}}=$ A) 1/16. B) 1/6. C) 1/8. D) 1/216. Show Answer Correct Answer: B) 1/6. 16. Is a perfect cube? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. What is the cube of 2a? A) 8a$^{3}$. B) Cha $^{h} $. C) Any $^{p} $. D) 16a$^{3}$. Show Answer Correct Answer: A) 8a$^{3}$. 18. The smallest number by which 256 is to be multiplied to obtain a perfect cube is A) 8. B) 4. C) 2. D) 6. Show Answer Correct Answer: C) 2. 19. Numbers ending with digits 4, 5, 6 and 9, their cubes also end with the ..... digit A) Same. B) Different. C) All the above. D) None of the above. Show Answer Correct Answer: A) Same. 20. Is 125 a perfect cube? A) Yes, it is. B) No, it isn't. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes, it is. 21. The total volume of two identical containers is 3456 $cm^3$ A) 12. B) 14. C) 13. D) 18. Show Answer Correct Answer: A) 12. 22. Find the cube root of-216 A) You cannot do the problem. B) -6. C) 6. D) -104. Show Answer Correct Answer: B) -6. 23. What odd conscicutive numbers can be added to get $5^3$ A) 1+3+5+7+9. B) 21+23+25+27+29. C) 13+37+53+31+23. D) None of these. Show Answer Correct Answer: B) 21+23+25+27+29. 24. Three numbers are in the ratio 1:3:4. The sum of their cubes is 11, 500. Find the numbers. A) 5, 25, 125. B) 3, 6, 18. C) 10, 30, 40. D) 5, 15, 20. Show Answer Correct Answer: D) 5, 15, 20. 25. $8\times8\times8=\left(2^3\right)\times\left(2^3\right)\times\left(2^3\right)$ A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 26. Evaluate. 7$^{3}$ A) 333. B) 323. C) 313. D) 343. Show Answer Correct Answer: D) 343. 27. $\left(\frac{2}{3}\right)^3=$ A) 6/9. B) 2/3. C) 4/9. D) 8/27. Show Answer Correct Answer: D) 8/27. 28. Cube root of 15625 is: A) 26. B) 24. C) 25. D) 27. Show Answer Correct Answer: C) 25. 29. Find the value of $3_{\sqrt{32.768}}$ A) 32. B) 31. C) 30. D) 29. Show Answer Correct Answer: A) 32. 30. Which of these is both a perfect square and a perfect cube? A) 125. B) 225. C) 81. D) 64. Show Answer Correct Answer: D) 64. 31. $3_{\sqrt{96}}\\_{\times\\}3_{\sqrt{144}}$ A) 36. B) 56. C) 24. D) 28. Show Answer Correct Answer: C) 24. 32. FIND THE CUBE ROOT OF 614125 USING ESTIMATION METHOD A) 75. B) 95. C) 85. D) 65. Show Answer Correct Answer: C) 85. 33. The smallest number by which 8788 must be divided so that the quotient is a perfect cube, is A) 8. B) 12. C) 4. D) 2. Show Answer Correct Answer: C) 4. 34. Find the smallest number by which the number 392 must be multiplied to obtain a perfect cube. A) 5. B) 7. C) 6. D) 3. Show Answer Correct Answer: B) 7. 35. What is the smallest natural number which must be multiplied with 1352 to obtain a perfect cube? A) 2. B) 5. C) 7. D) 13. Show Answer Correct Answer: D) 13. 36. $\left(-6\right)^2$ A) 12. B) -36. C) -12. D) 36. Show Answer Correct Answer: D) 36. 37. Find the cube root of the following natural number:35937 A) 37. B) 23. C) 33. D) 63. Show Answer Correct Answer: C) 33. 38. Find the cube root of 729: A) 9. B) 81. C) 243. D) None of the above. Show Answer Correct Answer: A) 9. 39. Find the cube root of each number:343 A) 3. B) 13. C) 7. D) 9. Show Answer Correct Answer: C) 7. 40. Find the smallest number which must be divided to make 704 a perfect cube. A) 5. B) 3. C) 2. D) 11. Show Answer Correct Answer: D) 11. 41. Cube of an odd number is A) An odd number. B) An even number. C) A prime number. D) None of the above. Show Answer Correct Answer: A) An odd number. 42. Cuberoot of 27000 is ..... A) 300. B) 27. C) 30. D) 35. Show Answer Correct Answer: C) 30. 43. Find the cube root of 125: A) 41.67. B) 25. C) 5. D) None of the above. Show Answer Correct Answer: C) 5. 44. What number, n, cubed is equal to-216?n$^{3}$ =-216 A) -6. B) 6. C) -7. D) 72. Show Answer Correct Answer: A) -6. 45. Find cube root without calculation of 6859. A) 21. B) 19. C) 15. D) None of the Above. Show Answer Correct Answer: B) 19. 46. What are the numbers obtained when a number is multiplied by itself three times known as? A) Square numbers. B) Prime numbers. C) Cube numbers. D) Odd numbers. Show Answer Correct Answer: C) Cube numbers. 47. What is the cube root of 27?$_{}$ A) 3. B) -9. C) -3. D) 9. Show Answer Correct Answer: A) 3. 48. Which of the following numbers is not a perfect cube? A) 2197. B) 1331. C) 625. D) 1000. Show Answer Correct Answer: C) 625. 49. Find the smallest number by which the number 10000 must be divided to obtain a perfect cube. A) 5. B) 10. C) 100. D) 2. Show Answer Correct Answer: B) 10. 50. What is-9 cubed?(-9)$^{3}$ A) 27. B) -729. C) -27. D) 729. Show Answer Correct Answer: B) -729. 51. There are ..... perfect cubes between 1 and 1000 A) 10. B) 12. C) 8. D) 6. Show Answer Correct Answer: C) 8. 52. Cuberoot of 64 is A) 8. B) 32. C) 4. D) 16. Show Answer Correct Answer: C) 4. 53. $\sqrt[3]{1728}$ A) 1.2. B) 21. C) 0.000000000000012. D) 12. Show Answer Correct Answer: D) 12. 54. What is the cube of 9? A) 719. B) 739. C) 81. D) 729. Show Answer Correct Answer: D) 729. 55. By what least number must 21600 be multiplied to make it a perfect cube? A) 10. B) 60. C) 30. D) 6. Show Answer Correct Answer: A) 10. 56. Is 20000 a perfect cube? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 57. What is the one's digit in the cube root of the 17576? A) 6. B) 2. C) 4. D) 8. Show Answer Correct Answer: A) 6. 58. $\left(1\frac{3}{10}\right)^{^3}$ A) 3375/1000. B) 5879/10. C) 27/10. D) 2197/1000. Show Answer Correct Answer: D) 2197/1000. 59. The inverse operation for SQUARING a number is finding the CUBE root? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 60. What is the ten's digit in the cube root of the 17576? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 2. Next →Related QuizzesMathematics QuizzesClass 8 QuizzesClass 8 Maths Chapter 7 Cubes And Cube Roots Quiz 2Class 8 Maths Chapter 7 Cubes And Cube Roots Quiz 3 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books