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Lintel Nov 16 - 22 25 questions
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Monday 16 November 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.072

    Answer: 7.2 × 10-2
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Hypotenuse = 23cm, angle = 53°. Find adjacent side

    Answer: 13.8cm
  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 31. If 4 of them are 39, 18, 40, 28, what is the missing number?

    Answer: 30

Tuesday 17 November 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    59000000

    Answer: 5.9 × 107
  2. 2. Algebra

    Factorise: x² + x - 20

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

    Adjacent = 17cm, angle = 41°. Find opposite

    Answer: 14.8cm
  4. 4. Ratio

    £360.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £160.00
  5. 5. Statistics

    Calculate the mean of: 32, 17, 50, 6, 25, 39, 45, 14

    Answer: 28.5

Wednesday 18 November 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    3500000

    Answer: 3.5 × 106
  2. 2. Algebra

    Factorise: x² + 3x - 10

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

    Adjacent = 18cm, angle = 41°. Find opposite

    Answer: 15.6cm
  4. 4. Ratio

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

    Answer: 29
  5. 5. Statistics

    Calculate the mean of: 29, 29, 28, 35, 27, 25

    Answer: 28.8

Thursday 19 November 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.057

    Answer: 5.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 24cm, angle = 55°. Find adjacent side

    Answer: 13.8cm
  4. 4. Ratio

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

    Answer: 25
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 49, 27, 49, 35, what is the missing number?

    Answer: 0

Friday 20 November 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    790000

    Answer: 7.9 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Adjacent = 28cm, angle = 60°. Find opposite

    Answer: 48.5cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 48, 26, 29, 37, 44, 35, 10, 27

    Answer: 32