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Lintel Apr 20 - 26 25 questions
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Monday 20 April 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    150000

    Answer: 1.5 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Adjacent = 29cm, angle = 36°. Find opposite

    Answer: 21.cm
  4. 4. Ratio

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

    Answer: £80.00
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 17, 44, 48, 33, 30, what is the missing number?

    Answer: 26

Tuesday 21 April 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0016

    Answer: 1.6 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Hypotenuse = 34cm, angle = 36°. Find adjacent side

    Answer: 27.5cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 18, 38, 33, 20, 7, 35, 47, 14

    Answer: 26.5

Wednesday 22 April 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    77000

    Answer: 7.7 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 8

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

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

    Answer: 11.7cm
  4. 4. Ratio

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

    Answer: 36
  5. 5. Statistics

    Calculate the mean of: 11, 36, 22, 43, 33, 5

    Answer: 25

Thursday 23 April 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00033

    Answer: 3.3 × 10-4
  2. 2. Algebra

    Factorise: x² - 12x + 35

    Answer: (x - 5)(x - 7)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 34°. Find adjacent side

    Answer: 25.7cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 35, 33, 30, 46, 47, what is the missing number?

    Answer: 25

Friday 24 April 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.069

    Answer: 6.9 × 10-2
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Hypotenuse = 20cm, angle = 51°. Find adjacent side

    Answer: 12.6cm
  4. 4. Ratio

    Simplify: 8:10:8

    Answer: 4:5:4
  5. 5. Statistics

    Calculate the mean of: 8, 24, 22, 29, 39, 34, 34

    Answer: 27.1