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Lintel Sep 29 - Oct 5 25 questions
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Monday 29 September 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    97000

    Answer: 9.7 × 104
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Hypotenuse = 37cm, angle = 50°. Find adjacent side

    Answer: 23.8cm
  4. 4. Ratio

    £140.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £60.00
  5. 5. Statistics

    Calculate the mean of: 6, 48, 6, 13, 11, 10, 31, 48

    Answer: 21.6

Tuesday 30 September 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    69000000

    Answer: 6.9 × 107
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 22cm, angle = 55°. Find opposite

    Answer: 31.4cm
  4. 4. Ratio

    £150.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £90.00
  5. 5. Statistics

    Calculate the mean of: 45, 19, 5, 25, 22, 18, 11

    Answer: 20.7

Wednesday 1 October 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    43000000

    Answer: 4.3 × 107
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 30cm, angle = 42°. Find opposite

    Answer: 27cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 22. If 5 of them are 37, 42, 15, 20, 29, what is the missing number?

    Answer: -11

Thursday 2 October 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0065

    Answer: 6.5 × 10-3
  2. 2. Algebra

    Factorise: x² + 4x - 32

    Answer: (x + 8)(x - 4)
  3. 3. Geometry

    Hypotenuse = 40cm, angle = 50°. Find adjacent side

    Answer: 25.7cm
  4. 4. Ratio

    £130.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £52.00
  5. 5. Statistics

    The mean of 4 numbers is 32. If 3 of them are 19, 36, 45, what is the missing number?

    Answer: 28

Friday 3 October 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    59000000

    Answer: 5.9 × 107
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Adjacent = 27cm, angle = 45°. Find opposite

    Answer: 27cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 46, 30, 17, 10, 23, 25, 8

    Answer: 22.7