Maths Quiz

1. If sin²θ + cos²θ = 1, find cos²θ when sinθ = 1/2.

1/4

1/2

3/4

1

2. What is the square of 11?

111

121

131

141

3. What is the value of 2³ + 5?

11

12

13

14

4. If 2x + 10 = 30, what is x?

8

9

10

11

5. What is 32 ÷ 4 + 9?

16

17

18

19

6. If x² - 9x + 20 = 0, find x.

4 or 5

5 or 6

4 or 6

3 or 5

7. Simplify: (2x³y²)(3x²y³)

6x⁵y⁵

5x⁵y⁵

6x⁶y⁶

5x⁶y⁶

8. Find x if 4x - 7 = 9

3

4

5

6

9. Sum of first 12 natural numbers?

66

72

78

84

10. What is the square of 7?

48

49

50

51