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Lintel Jul 15 - 21 25 questions
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Monday 15 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    72000000

    Answer: 7.2 × 107
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Adjacent = 15cm, angle = 59°. Find opposite

    Answer: 25cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 17, 41, 19, 34, 41, 20, 32

    Answer: 29.1

Tuesday 16 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0054

    Answer: 5.4 × 10-3
  2. 2. Algebra

    Factorise: x² - 8x + 12

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

    Hypotenuse = 26cm, angle = 26°. Find adjacent side

    Answer: 23.4cm
  4. 4. Ratio

    £280.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £200.00
  5. 5. Statistics

    Calculate the mean of: 19, 45, 50, 18, 14, 5, 25

    Answer: 25.1

Wednesday 17 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    430000

    Answer: 4.3 × 105
  2. 2. Algebra

    Factorise: x² + 3x - 4

    Answer: (x + 4)(x - 1)
  3. 3. Geometry

    Adjacent = 14cm, angle = 40°. Find opposite

    Answer: 11.7cm
  4. 4. Ratio

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

    Answer: 29
  5. 5. Statistics

    The mean of 6 numbers is 30. If 5 of them are 20, 49, 15, 38, 30, what is the missing number?

    Answer: 28

Thursday 18 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    420000

    Answer: 4.2 × 105
  2. 2. Algebra

    Factorise: x² + 7x - 8

    Answer: (x + 8)(x - 1)
  3. 3. Geometry

    Adjacent = 20cm, angle = 49°. Find opposite

    Answer: 23cm
  4. 4. Ratio

    In ratio 4:3:1, what fraction is the second part?

    Answer: 38
  5. 5. Statistics

    The mean of 5 numbers is 30. If 4 of them are 40, 28, 27, 28, what is the missing number?

    Answer: 27

Friday 19 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.033

    Answer: 3.3 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 15

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

    Hypotenuse = 28cm, angle = 49°. Find adjacent side

    Answer: 18.4cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 17, 40, 14, 38, 50, 45, 19, 43

    Answer: 33.3