/20 1234567891011121314151617181920 Real Numbers 1 / 20 1. Which of the following is a prime number? A) 9 B) 4 C) 7 D) 6 2 / 20 2. What is the quotient when 50 is divided by 2 A) 20 B) 30 C) 35 D) 25 3 / 20 3. What is the square root of 25 A) 5 B) 4 C) 6 D) 3 4 / 20 4. What is the square root of 100 A) 10 B) 15 C) 5 D) 20 5 / 20 5. What is the HCF of 18 and 30 A) 2 B) 8 C) 6 D) 12 6 / 20 6. Which of the following numbers is divisible by 5 A) 51 B) 23 C) 45 D) 78 7 / 20 7. What is the HCF of 16 and 24 A) 6 B) 4 C) 12 D) 8 8 / 20 8. What is the square root of 81 A) 7 B) 9 C) 8 D) 10 9 / 20 9. What is the decimal form of 1/2 A) 0.25 B) 1.5 C) 2.5 D) 0.5 10 / 20 10. What is the LCM of 9 and 15 A) 23 B) 45 C) 60 D) 35 11 / 20 11. What is the value of 2⁴ A) 12 B) 10 C) 8 D) 16 12 / 20 12. What is the Least Common Multiple (LCM) of 3 and 4 A) 20 B) 15 C) 4 D) 12 13 / 20 13. Which of the following numbers is not divisible by 2 A) 21 B) 24 C) 20 D) 22 14 / 20 14. What is the HCF of 5 and 7 A) 7 B) 5 C) 15 D) 1 15 / 20 15. What is the Highest Common Factor (HCF) of 12 and 18 A) 12 B) 3 C) 8 D) 6 16 / 20 16. What is the decimal form of 1/4 A) 0.1 B) 0.25 C) 0.15 D) 0.12 17 / 20 17. What is the square root of 144 A) 12 B) 13 C) 10 D) 11 18 / 20 18. What is the product of 7 x 8 A) 58 B) 55 C) 57 D) 56 19 / 20 19. What is the LCM of 20 and 25 A) 40 B) 50 C) 30 D) 20 20 / 20 20. What is the decimal form of 3/5 A) 0.7 B) 0.5 C) 0.4 D) 0.6 Share Your Score with Friends Facebook Twitter
