Mathematics Quiz

15 questions, easier first and harder toward the end. Pick one answer per question.

1 What is 25 + 47?

62 72 82 92

2 Simplify: 3x + 5x

8 8x 15x 3x²

3 Solve: 2x + 7 = 15

3 4 5 6

4 Area of a rectangle 8 cm by 5 cm?

13 cm² 26 cm² 40 cm² 45 cm²

5 Convert 3/4 to a decimal.

0.25 0.5 0.75 0.8

6 What is 15% of 200?

15 30 45 60

7 Solve for x: 3x − 5 = 2x + 8

3 8 13 18

8 Factorise: x² + 5x + 6

(x+1)(x+6) (x+2)(x+3) (x+1)(x+5) (x−2)(x−3)

9 Find x if 2ˣ = 32.

4 5 6 16

10 A triangle has angle ratio 2:3:4. Largest angle?

40° 60° 80° 100°

11 log₂ 8 = ?

2 3 4 8

12 Roots of x² − 7x + 12 = 0

2, 6 3, 4 −3, −4 1, 12

13 Gradient of line through (1, 2) and (4, 11)?

1 2 3 4

14 Sum of first n natural numbers = 210. Find n.

15 18 20 21

15 If sin θ = 3/5 (θ acute), find cos θ.

3/5 4/5 5/4 5/3

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