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This page contains MATHEMATICS questions 31-40. If you've not covered questionsðŸ‘‡ðŸ‘‡

**31. Simplify (4x² - 2x + 1) - (3x² + 4x - 5)**

A. x² - 6x + 6

B. x² - 6x - 4

C. x² + 2x + 6

D. x² + 2x - 4

**32. If a square has a diagonal of 10 cm, what is its area?**

A. 50 cm²

B. 25 cm²

C. 100 cm²

D. 75 cm²

**33. If y = 2x + 3 and x = 4, what is the value of y?**

A. 11

B. 7

C. 10

D. 8

**34. A bag contains 4 red, 3 white and 2 blue balls. If a ball is picked at random, what is the probability that it is not blue?**

A. 4/9

B. 5/9

C. 6/9

D. 7/9

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**35. What is the solution to the equation 3x + 7 = 22?**

A. x = 15

B. x = 5

C. x = 8

D. x = 17

**36. What is the value of 3² + 4²?**

A. 7

B. 9

C. 12

D. 25

**37. What is the equation of the line that passes through the points (1, 2) and (4, 5)?**

A. y = 3x - 1

B. y = 2x + 3

C. y = x + 1

D. y = 4x - 3

**38. The perimeter of a rectangle is 30 cm and its length is twice its width. What is its area?**

A. 20 cm²

B. 25 cm²

C. 30 cm²

D. 35 cm²

**39. What is the next number in the sequence: 1, 4, 9, 16, 25, ...?**

A. 30

B. 36

C. 49

D. 64

**40. If a cube has a volume of 125 cm³, what is the length of its side?**

A. 5 cm

B. 10 cm

C. 25 cm

D. 50 cm

**Answers: ðŸ‘‡ðŸ‘‡**

32. Answer: B

33. Answer: A

34. Answer: B

35. Answer: C

36. Answer: D

37. Answer: C

38. Answer: B

39. Answer: D

40. Answer: A

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