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Lintel Aug 1 - 7 25 questions
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Monday 1 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00021

    Answer: 2.1 × 10-4
  2. 2. Algebra

    Factorise: x² + 5x - 6

    Answer: (x + 6)(x - 1)
  3. 3. Geometry

    Hypotenuse = 17cm, angle = 29°. Find adjacent side

    Answer: 14.9cm
  4. 4. Ratio

    £240.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £90.00
  5. 5. Statistics

    Calculate the mean of: 7, 28, 38, 40, 15, 40

    Answer: 28

Tuesday 2 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    18000

    Answer: 1.8 × 104
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 10cm, angle = 55°. Find opposite

    Answer: 14.3cm
  4. 4. Ratio

    In ratio 4:4:2, what fraction is the second part?

    Answer: 410
  5. 5. Statistics

    Calculate the mean of: 24, 7, 38, 10, 36, 11, 19

    Answer: 20.7

Wednesday 3 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00015

    Answer: 1.5 × 10-4
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 22cm, angle = 42°. Find adjacent side

    Answer: 16.3cm
  4. 4. Ratio

    In ratio 4:3:2, what fraction is the second part?

    Answer: 39
  5. 5. Statistics

    The mean of 4 numbers is 20. If 3 of them are 49, 32, 38, what is the missing number?

    Answer: -39

Thursday 4 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.026

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

    Factorise: x² - 8x + 16

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

    Hypotenuse = 15cm, angle = 51°. Find adjacent side

    Answer: 9.4cm
  4. 4. Ratio

    Simplify: 24:12:12

    Answer: 2:1:1
  5. 5. Statistics

    Calculate the mean of: 16, 36, 46, 6, 6, 38

    Answer: 24.7

Friday 5 August 2022

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 = 60°. Find opposite

    Answer: 52cm
  4. 4. Ratio

    Simplify: 12:4:12

    Answer: 3:1:3
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 47, 38, 21, what is the missing number?

    Answer: 54