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Lintel Oct 14 - 20 25 questions
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Monday 14 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00039

    Answer: 3.9 × 10-4
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Adjacent = 11cm, angle = 57°. Find opposite

    Answer: 16.9cm
  4. 4. Ratio

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

    Answer: 36
  5. 5. Statistics

    Calculate the mean of: 45, 10, 24, 30, 32, 13, 5

    Answer: 22.7

Tuesday 15 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    87000

    Answer: 8.7 × 104
  2. 2. Algebra

    Factorise: x² + 6x - 7

    Answer: (x + 7)(x - 1)
  3. 3. Geometry

    Hypotenuse = 22cm, angle = 27°. Find adjacent side

    Answer: 19.6cm
  4. 4. Ratio

    £441.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £245.00
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 19, 26, 34, 26, what is the missing number?

    Answer: 65

Wednesday 16 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.014

    Answer: 1.4 × 10-2
  2. 2. Algebra

    Factorise: x² + 4x - 32

    Answer: (x + 8)(x - 4)
  3. 3. Geometry

    Adjacent = 14cm, angle = 43°. Find opposite

    Answer: 13.cm
  4. 4. Ratio

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

    Answer: 25
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 17, 35, 20, what is the missing number?

    Answer: 64

Thursday 17 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    790000

    Answer: 7.9 × 105
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Hypotenuse = 20cm, angle = 25°. Find adjacent side

    Answer: 18.cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 46, 29, 38, 30, 36, 34

    Answer: 35.5

Friday 18 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    20000

    Answer: 2 × 104
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 2)(x - 7)
  3. 3. Geometry

    Hypotenuse = 36cm, angle = 51°. Find adjacent side

    Answer: 22.7cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 18, 35, 18, 38, 45, 34, 35

    Answer: 31.9