Q1: If a = 5, b = 3 and c = 2, what is 2c + (a - b)?

Q2: If x = 5, y = 2, what is 4x + y?

Q3: If a = 4 and b = 9, what is (b − a) × 3?

Q4: If p = 10 and q = 4, what is p ÷ 2 + q?

Q5: If m = 8 and n = 3, what is (m + n) × 2?

Q6: If x = 7 and y = 5, what is x² − y?

Q7: If a = 2, b = 4 and c = 6, what is (a + b + c) ÷ 2?

Q8: If x = 9 and y = 3, what is (x ÷ y) + (y × 2)?

Q9: If r = 12 and s = 2, what is r ÷ s + 5?

Q10: If a = 5, b = 4 and c = 2, what is a × b − c?