This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 7 Cubes And Cube Roots ā Quiz 6 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 7 Cubes And Cube Roots Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cube root of 13824 A) 22. B) 24. C) 26. D) 23. Show Answer Correct Answer: B) 24. 2. A perfect cube does not end with two zeroes A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Which least number must be multiplied to 3456 so that the product becomes a perfect cube? A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 4. What is the cube root of 27? A) 4. B) 3. C) 2. D) 5. Show Answer Correct Answer: B) 3. 5. The cube of $\frac{-1}{3}$ A) $\frac{-1}{9}$. B) $\frac{1}{27}$. C) $\frac{-1}{27}$. D) $\frac{1}{9}$. Show Answer Correct Answer: C) $\frac{-1}{27}$. 6. If the digit in the ones place of a number is 8, the digit in the ones place of its cube will be A) 2. B) 8. C) 4. D) 6. Show Answer Correct Answer: A) 2. 7. $11^3$ A) 33. B) 1278. C) 1331. D) 225. Show Answer Correct Answer: C) 1331. 8. Which of the following is perfect square? A) 10, 000. B) 10, 00, 000. C) 1, 00, 000. D) 1, 00, 00, 000. Show Answer Correct Answer: B) 10, 00, 000. 9. Select the answer with all perfect squares. A) -144, 9, 50, 75, 81, 100. B) 9, 50, 75, 81, 100. C) 9, 50, 81, 100. D) 9, 81, 100. Show Answer Correct Answer: D) 9, 81, 100. 10. Cube of-3/7 A) 27/343. B) 343/27. C) 3/7. D) -27/343. Show Answer Correct Answer: D) -27/343. 11. Is 225 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: B) No, it isn't. 12. Select the set with all perfect squares. A) -144, 9, 50, 75, 81, 100. B) 9, 50, 81, 100. C) 9, 50, 75, 81, 100. D) 9, 81, 100. Show Answer Correct Answer: D) 9, 81, 100. 13. Find y where x$^{2}$=y$^{3}$and x=27.$^{.}$ A) Y=3. B) Y=5. C) Y=9. D) Y=not there. Show Answer Correct Answer: C) Y=9. 14. Guess the cube roots of 4913. A) 17. B) 27. C) 13. D) 73. Show Answer Correct Answer: A) 17. 15. One's digit in the cube of 102? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: D) 8. 16. $-\left(6^3\right)$ A) -18. B) 216. C) -216. D) 18. Show Answer Correct Answer: C) -216. 17. Which of the following is not a cube number? A) 32. B) 8. C) 16. D) 27. Show Answer Correct Answer: C) 16. 18. Find the cube of 0.08 A) 0.512. B) 0.000512. C) 0.000215. D) 512. Show Answer Correct Answer: B) 0.000512. 19. 7 + 9 + 11 =? A) $2^3$. B) $3^3$. C) $3^2$. D) None of the above. Show Answer Correct Answer: B) $3^3$. 20. What is the cube root of 8? A) 5. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 21. The prime factorisation of 64 is: A) 8 x 8 x 8. B) 2 x 2 x 2. C) 4 x 4 x 4. D) None of the above. Show Answer Correct Answer: D) None of the above. 22. FIND WHICH ONE OF THE FOLLOWING STATEMENT IS RIGHT. A) CUBE OF AN EVEN NUMBER WILL BE ODD. B) A CUBE NUMBER IS OTHERWISE CALLED AS PERFECT CUBE. C) CUBE OF AN ODD NUMBER WILL BE EVEN. D) 121 IS A PERFECT CUBE. Show Answer Correct Answer: B) A CUBE NUMBER IS OTHERWISE CALLED AS PERFECT CUBE. 23. $\sqrt{1+\frac{15}{49}}=$ A) 2. B) 21. C) $\frac{5}{2}$. D) $\frac{8}{7}$. Show Answer Correct Answer: D) $\frac{8}{7}$. 24. Which of the following numbers is a perfect cube? A) 1525. B) 1728. C) 1458. D) 3993. Show Answer Correct Answer: B) 1728. 25. Find the number whose square is the sum of the cube of the first 5 natural numbers. A) 10. B) 12. C) 13. D) 15. 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