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Lintel Aug 6 - 12 25 questions
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Monday 6 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00033 in standard form

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

    Factorise: x² - 14x + 24

    Answer: (x - 2)(x - 12)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 27.86cm
  4. 4. Ratio

    Simplify the ratio 3kg : 650g

    Answer: 60:13
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 45, 29, 16, what is the missing number?

    Answer: 70

Tuesday 7 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 250,000,000 in standard form

    Answer: 2.5 × 108
  2. 2. Algebra

    Factorise: x² + 3x - 10

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

    Adjacent = 16cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 27.71cm
  4. 4. Ratio

    £216.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £96.00
  5. 5. Statistics

    Calculate the mean of: 50, 13, 18, 24, 15, 8, 36. Give your answer to 2 decimal places

    Answer: 23.43

Wednesday 8 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 810,000 in standard form

    Answer: 8.1 × 105
  2. 2. Algebra

    Factorise: x² - x - 42

    Answer: (x + 6)(x - 7)
  3. 3. Geometry

    Adjacent = 27cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 38.56cm
  4. 4. Ratio

    £184.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £69.00
  5. 5. Statistics

    Calculate the mean of: 21, 18, 35, 39, 33, 17, 20. Give your answer to 2 decimal places

    Answer: 26.14

Thursday 9 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00055 in standard form

    Answer: 5.5 × 10-4
  2. 2. Algebra

    Factorise: x² + 11x + 18

    Answer: (x + 9)(x + 2)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 29°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 24.49cm
  4. 4. Ratio

    In ratio 9:4:5, what fraction is the second part?

    Answer: 2⁄9
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 41, 19, 21, 18, what is the missing number?

    Answer: 36

Friday 10 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000039 in standard form

    Answer: 3.9 × 10-5
  2. 2. Algebra

    Factorise: x² - 14x + 33

    Answer: (x - 3)(x - 11)
  3. 3. Geometry

    Adjacent = 25cm, angle = 57°. Find opposite. Give your answer to 2 decimal places

    Answer: 38.5cm
  4. 4. Ratio

    Black, white and yellow sweets are in the ratio 1:11:12. What fraction of the sweets are yellow?

    Answer: 1⁄2
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 16, 26, 19, 50, 30, what is the missing number?

    Answer: 33