2023 Half Yearly Math Challenge
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Questions and Answers

What is the value of x if 2x - 5 = 25?

  • x = 30
  • x = 10
  • x = 15
  • x = 20 (correct)

    • If a square has a perimeter of 40 cm, what is the length of each side?

  • 8 cm
  • 12 cm
  • 15 cm
  • 10 cm (correct)

    • What is the value of 'n' in the equation 3n + 7 = 16?

  • n = 6
  • n = 3
  • n = 5 (correct)
  • n = 4

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