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Lintel Aug 26 - Sep 1 25 questions
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Monday 26 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.049 in standard form

    Answer: 4.9 × 10-2
  2. 2. Algebra

    Factorise: x² - 16x + 64

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

    Hypotenuse = 16cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 7.01cm
  4. 4. Ratio

    £259.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £74.00
  5. 5. Statistics

    Calculate the mean of: 5, 50, 19, 18, 24, 12, 18. Give your answer to 2 decimal places

    Answer: 20.86

Tuesday 27 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 36,000 in standard form

    Answer: 3.6 × 104
  2. 2. Algebra

    Factorise: x² - 3x - 18

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

    Adjacent = 20cm, angle = 35°. Find opposite. Give your answer to 2 decimal places

    Answer: 14cm
  4. 4. Ratio

    Simplify the ratio kg : 750g

    Answer: 4:3
  5. 5. Statistics

    The mean of 4 numbers is 20. If 3 of them are 20, 18, 25, what is the missing number?

    Answer: 17

Wednesday 28 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 3,300,000 in standard form

    Answer: 3.3 × 106
  2. 2. Algebra

    Factorise: x² - 8x - 9

    Answer: (x + 1)(x - 9)
  3. 3. Geometry

    Adjacent = 14cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

    Answer: 20.76cm
  4. 4. Ratio

    In ratio 4:8:2, what fraction is the second part?

    Answer: 4⁄7
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 24, 49, 32, what is the missing number?

    Answer: 39

Thursday 29 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.003 in standard form

    Answer: 3 × 10-3
  2. 2. Algebra

    Factorise: x² - 17x + 60

    Answer: (x - 5)(x - 12)
  3. 3. Geometry

    Hypotenuse = 23cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 11.15cm
  4. 4. Ratio

    In ratio 11:3:6, what fraction is the first part?

    Answer: 11⁄20
  5. 5. Statistics

    Calculate the mean of: 21, 29, 47, 18, 19, 35. Give your answer to 2 decimal places

    Answer: 28.17

Friday 30 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000017 in standard form

    Answer: 1.7 × 10-5
  2. 2. Algebra

    Factorise: x² + 15x + 54

    Answer: (x + 9)(x + 6)
  3. 3. Geometry

    Adjacent = 16cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

    Answer: 23.72cm
  4. 4. Ratio

    Simplify the ratio 6kg : 350g

    Answer: 120:7
  5. 5. Statistics

    Calculate the mean of: 5, 5, 40, 28, 45, 27, 10. Give your answer to 2 decimal places

    Answer: 22.86