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Lintel Nov 10 - 16 25 questions
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Monday 10 November 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    40000000

    Answer: 4 × 107
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 22cm, angle = 31°. Find adjacent side

    Answer: 18.9cm
  4. 4. Ratio

    £160.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £60.00
  5. 5. Statistics

    Calculate the mean of: 12, 24, 12, 9, 16, 49, 47, 7

    Answer: 22

Tuesday 11 November 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00081

    Answer: 8.1 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 12cm, angle = 36°. Find opposite

    Answer: 8.7cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £100.00
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 46, 37, 23, what is the missing number?

    Answer: 46

Wednesday 12 November 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    30000

    Answer: 3 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Hypotenuse = 28cm, angle = 30°. Find adjacent side

    Answer: 24.2cm
  4. 4. Ratio

    £312.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £117.00
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 28, 22, 48, 36, 41, what is the missing number?

    Answer: 11

Thursday 13 November 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0002

    Answer: 2 × 10-4
  2. 2. Algebra

    Factorise: x² - 7x + 10

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

    Adjacent = 25cm, angle = 34°. Find opposite

    Answer: 16.9cm
  4. 4. Ratio

    £368.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £230.00
  5. 5. Statistics

    Calculate the mean of: 46, 28, 12, 42, 40, 39

    Answer: 34.5

Friday 14 November 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00032

    Answer: 3.2 × 10-4
  2. 2. Algebra

    Factorise: x² - 11x + 30

    Answer: (x - 6)(x - 5)
  3. 3. Geometry

    Adjacent = 22cm, angle = 46°. Find opposite

    Answer: 22.8cm
  4. 4. Ratio

    Simplify: 12:8:12

    Answer: 3:2:3
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 48, 44, 33, 47, what is the missing number?

    Answer: 18