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Lintel Jun 16 - 22 25 questions
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Monday 16 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0079

    Answer: 7.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Hypotenuse = 30cm, angle = 59°. Find adjacent side

    Answer: 15.5cm
  4. 4. Ratio

    Express the first part of 5:3 as a fraction in simplest form

    Answer: 58
  5. 5. Statistics

    The mean of 5 numbers is 24. If 4 of them are 50, 49, 49, 37, what is the missing number?

    Answer: -65

Tuesday 17 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    29000

    Answer: 2.9 × 104
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 21cm, angle = 51°. Find opposite

    Answer: 25.9cm
  4. 4. Ratio

    Simplify: 9:9:12

    Answer: 3:3:4
  5. 5. Statistics

    Calculate the mean of: 38, 42, 44, 47, 5, 10, 47, 50

    Answer: 35.4

Wednesday 18 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    40000

    Answer: 4 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 15

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

    Adjacent = 30cm, angle = 50°. Find opposite

    Answer: 35.8cm
  4. 4. Ratio

    Divide 60 in the ratio 4:1:1

    Answer: 40, 10 and 10
  5. 5. Statistics

    Calculate the mean of: 34, 29, 47, 30, 13, 49

    Answer: 33.7

Thursday 19 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.01

    Answer: 1 × 10-2
  2. 2. Algebra

    Factorise: x² - 8x + 12

    Answer: (x - 6)(x - 2)
  3. 3. Geometry

    Hypotenuse = 19cm, angle = 35°. Find adjacent side

    Answer: 15.6cm
  4. 4. Ratio

    Divide 105 in the ratio 1:2:4

    Answer: 15, 30 and 60
  5. 5. Statistics

    The mean of 5 numbers is 26. If 4 of them are 50, 28, 48, 38, what is the missing number?

    Answer: -34

Friday 20 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    49000000

    Answer: 4.9 × 107
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Adjacent = 29cm, angle = 46°. Find opposite

    Answer: 30cm
  4. 4. Ratio

    £329.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £94.00
  5. 5. Statistics

    Calculate the mean of: 39, 6, 43, 13, 27, 9, 37

    Answer: 24.9