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Lintel Jun 2 - 8 25 questions
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Monday 2 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00062

    Answer: 6.2 × 10-4
  2. 2. Algebra

    Factorise: x² + 2x - 24

    Answer: (x + 6)(x - 4)
  3. 3. Geometry

    Adjacent = 15cm, angle = 39°. Find opposite

    Answer: 12.cm
  4. 4. Ratio

    Divide 99 in the ratio 3:2:4

    Answer: 33, 22 and 44
  5. 5. Statistics

    Calculate the mean of: 20, 27, 28, 24, 18, 14, 20

    Answer: 21.6

Tuesday 3 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    800000

    Answer: 8 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 24

    Answer: (x - 6)(x - 4)
  3. 3. Geometry

    Hypotenuse = 22cm, angle = 25°. Find adjacent side

    Answer: 19.9cm
  4. 4. Ratio

    Express the first part of 5:2 as a fraction in simplest form

    Answer: 57
  5. 5. Statistics

    The mean of 4 numbers is 25. If 3 of them are 24, 18, 18, what is the missing number?

    Answer: 40

Wednesday 4 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    4500000

    Answer: 4.5 × 106
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 7)(x - 2)
  3. 3. Geometry

    Hypotenuse = 18cm, angle = 27°. Find adjacent side

    Answer: 16cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 32, 24, 37, 38, 10, 26, 14

    Answer: 25.9

Thursday 5 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.085

    Answer: 8.5 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 3

    Answer: (x + 3)(x - 1)
  3. 3. Geometry

    Adjacent = 28cm, angle = 54°. Find opposite

    Answer: 38.5cm
  4. 4. Ratio

    In ratio 2:3:2, what fraction is the second part?

    Answer: 37
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 23, 42, 48, 40, 27, what is the missing number?

    Answer: 6

Friday 6 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    1700000

    Answer: 1.7 × 106
  2. 2. Algebra

    Factorise: x² + 5x - 24

    Answer: (x + 8)(x - 3)
  3. 3. Geometry

    Hypotenuse = 37cm, angle = 59°. Find adjacent side

    Answer: 19.cm
  4. 4. Ratio

    In ratio 1:2:3, what fraction is the second part?

    Answer: 26
  5. 5. Statistics

    The mean of 6 numbers is 20. If 5 of them are 31, 46, 37, 19, 36, what is the missing number?

    Answer: -49