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Lintel Nov 4 - 10 25 questions
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Monday 4 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    29000000

    Answer: 2.9 × 107
  2. 2. Algebra

    Factorise: x² - 11x + 28

    Answer: (x - 7)(x - 4)
  3. 3. Geometry

    Adjacent = 13cm, angle = 31°. Find opposite

    Answer: 7.8cm
  4. 4. Ratio

    In ratio 1:2:2, what fraction is the second part?

    Answer: 25
  5. 5. Statistics

    Calculate the mean of: 18, 47, 25, 37, 41, 20

    Answer: 31.3

Tuesday 5 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0066

    Answer: 6.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 2x - 8

    Answer: (x + 4)(x - 2)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 38°. Find adjacent side

    Answer: 22.cm
  4. 4. Ratio

    In ratio 1:2:3, what fraction is the second part?

    Answer: 26
  5. 5. Statistics

    The mean of 5 numbers is 30. If 4 of them are 32, 44, 22, 47, what is the missing number?

    Answer: 5

Wednesday 6 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    4700000

    Answer: 4.7 × 106
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 24cm, angle = 43°. Find opposite

    Answer: 22.4cm
  4. 4. Ratio

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

    Answer: 37
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 16, 21, 30, 46, what is the missing number?

    Answer: 77

Thursday 7 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0059

    Answer: 5.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 9x + 20

    Answer: (x - 5)(x - 4)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 44°. Find adjacent side

    Answer: 22.3cm
  4. 4. Ratio

    £224.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £140.00
  5. 5. Statistics

    Calculate the mean of: 46, 41, 17, 33, 25, 6, 41

    Answer: 29.9

Friday 8 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0026

    Answer: 2.6 × 10-3
  2. 2. Algebra

    Factorise: x² - 6x + 8

    Answer: (x - 4)(x - 2)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 48°. Find adjacent side

    Answer: 18.7cm
  4. 4. Ratio

    In ratio 1:3:2, what fraction is the second part?

    Answer: 36
  5. 5. Statistics

    Calculate the mean of: 28, 22, 33, 13, 27, 37

    Answer: 26.7