Number system (IX) set -4

1. What is the value of √49?

2. Which of the following is a rational number?

3. What is the result of 15 ÷ (3 + 2)?

4. Which of these numbers is an integer?

5. What is the value of 2^3?

6. Which of the following sets contains only irrational numbers?

7. What is the least common multiple (LCM) of 4 and 6?

8. Which number is not a prime number?

9. If x = 5, what is the value of 3x + 4?

10. Which of the following represents a repeating decimal?