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Lintel Apr 7 - 13 25 questions
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Monday 7 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0026

    Answer: 2.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 2x - 8

    Answer: (x + 4)(x - 2)
  3. 3. Geometry

    Hypotenuse = 36cm, angle = 63°. Find adjacent side

    Answer: 16.3cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 18, 31, 5, 18, 23, 12, 39

    Answer: 20.9

Tuesday 8 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.085

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

    Factorise: x² + x - 20

    Answer: (x + 5)(x - 4)
  3. 3. Geometry

    Hypotenuse = 34cm, angle = 30°. Find adjacent side

    Answer: 29.4cm
  4. 4. Ratio

    £174.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £116.00
  5. 5. Statistics

    Calculate the mean of: 44, 41, 48, 28, 24, 44

    Answer: 38.2

Wednesday 9 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    150000

    Answer: 1.5 × 105
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 5)(x - 2)
  3. 3. Geometry

    Adjacent = 19cm, angle = 30°. Find opposite

    Answer: 11cm
  4. 4. Ratio

    In ratio 4:4:3, what fraction is the second part?

    Answer: 411
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 40, 49, 24, 29, what is the missing number?

    Answer: 3

Thursday 10 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    1800000

    Answer: 1.8 × 106
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Hypotenuse = 40cm, angle = 41°. Find adjacent side

    Answer: 30.2cm
  4. 4. Ratio

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

    Answer: 15
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 45, 33, 35, what is the missing number?

    Answer: 27

Friday 11 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0005

    Answer: 5 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Adjacent = 23cm, angle = 54°. Find opposite

    Answer: 31.7cm
  4. 4. Ratio

    £168.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £48.00
  5. 5. Statistics

    Calculate the mean of: 18, 36, 34, 32, 13, 34

    Answer: 27.8