b radio 11. What do A. Principal root d. 1 c. 12 12. What is the principal root of /144? b. -12 d. 32 c. 27 A. 4 13. Which of the following number is considered a perfect square integer? A. 36 14. Which of the following is not a perfect square integer? A. 9 b. 49 b. 15 d 15 c. 100 c. square root of 100 is irrational 15. Which of the following statement is true? A.25 has no perfect square B. square root of 20 lies between 4 and 5 d.square root of 10 is rational 16. Which of the following is not a perfect square integer? A. 21 b. 121 c. 81 d. 64 17. Where does the square root of 50 lie? A. Between 5 & 6 b. between 7 & 8 c. between 6 & 7 d. between 8 & 9 18. Which of the following best described the principal root of /65? A. Irrational b. rational c. natural d. integer 19. Find the number whose square root lies between 6 &7. A. 50 b. 25 c. 45 d. 32 20. Which of the following number has an irrational square root? A. 16 b. 26 c. 196 d. 121 Good Luck