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Lintel Sep 30 - Oct 6 25 questions
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Monday 30 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    2700000

    Answer: 2.7 × 106
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Adjacent = 20cm, angle = 43°. Find opposite

    Answer: 18.7cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 25. If 3 of them are 33, 43, 49, what is the missing number?

    Answer: -25

Tuesday 1 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    5000000

    Answer: 5 × 106
  2. 2. Algebra

    Factorise: x² - 11x + 30

    Answer: (x - 5)(x - 6)
  3. 3. Geometry

    Adjacent = 27cm, angle = 45°. Find opposite

    Answer: 27cm
  4. 4. Ratio

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

    Answer: 48
  5. 5. Statistics

    Calculate the mean of: 23, 40, 24, 38, 26, 36, 47, 46

    Answer: 35

Wednesday 2 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00028

    Answer: 2.8 × 10-4
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 24cm, angle = 47°. Find adjacent side

    Answer: 16.4cm
  4. 4. Ratio

    £308.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £220.00
  5. 5. Statistics

    Calculate the mean of: 44, 24, 14, 19, 31, 21, 42

    Answer: 27.9

Thursday 3 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    120000

    Answer: 1.2 × 105
  2. 2. Algebra

    Factorise: x² + x - 2

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

    Adjacent = 25cm, angle = 58°. Find opposite

    Answer: 40cm
  4. 4. Ratio

    £156.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £52.00
  5. 5. Statistics

    The mean of 6 numbers is 26. If 5 of them are 34, 26, 49, 17, 42, what is the missing number?

    Answer: -12

Friday 4 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    390000

    Answer: 3.9 × 105
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Adjacent = 14cm, angle = 54°. Find opposite

    Answer: 19.3cm
  4. 4. Ratio

    Simplify: 18:9:15

    Answer: 6:3:5
  5. 5. Statistics

    Calculate the mean of: 28, 32, 20, 43, 37, 25, 32

    Answer: 31