Q1. What is the value of (12 + 13 + 14 + … + 20)?

Q2. A number is divisible by 5 and 9. What is the least such number greater than 100?

Q3. Simplify: (x² – 4) ÷ (x – 2)

Q4. The average of 5 consecutive even numbers is 22. What is the largest number?

Q5. A man travels 30 km at a speed of 15 km/h and returns at a speed of 10 km/h. What is the average speed?

Q6. If 40% of a number is 120, what is the number?

Q7. Find the square root of 625.

Q8. The value of (3/4 + 1/2 – 2/3) is:

Q9. A train travels 90 km in 2 hours. What is its speed?

Q10. What is the HCF of 24 and 36?