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Lintel Oct 28 - Nov 3 25 questions
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Monday 28 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000058 in standard form

    Answer: 5.8 × 10-5
  2. 2. Algebra

    Factorise: x² - 16x + 60

    Answer: (x - 6)(x - 10)
  3. 3. Geometry

    Hypotenuse = 30cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.15cm
  4. 4. Ratio

    £189.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £54.00
  5. 5. Statistics

    Calculate the mean of: 10, 11, 25, 8, 35, 17, 22. Give your answer to 2 decimal places

    Answer: 18.29

Tuesday 29 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 70,000 in standard form

    Answer: 7 × 104
  2. 2. Algebra

    Factorise: x² - x - 12

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

    Adjacent = 12cm, angle = 35°. Find opposite. Give your answer to 2 decimal places

    Answer: 8.4cm
  4. 4. Ratio

    £154.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £44.00
  5. 5. Statistics

    The mean of 4 numbers is 26. If 3 of them are 44, 31, 24, what is the missing number?

    Answer: 5

Wednesday 30 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 910,000 in standard form

    Answer: 9.1 × 105
  2. 2. Algebra

    Factorise: x² + 2x - 63

    Answer: (x + 9)(x - 7)
  3. 3. Geometry

    Hypotenuse = 34cm, angle = 56°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 19.01cm
  4. 4. Ratio

    Black, white and yellow sweets are in the ratio 5:5:7. What fraction of the sweets are yellow?

    Answer: 7⁄17
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 28, 38, 16, 39, what is the missing number?

    Answer: 14

Thursday 31 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.056 in standard form

    Answer: 5.6 × 10-2
  2. 2. Algebra

    Factorise: x² - 14x + 45

    Answer: (x - 5)(x - 9)
  3. 3. Geometry

    Adjacent = 10cm, angle = 41°. Find opposite. Give your answer to 2 decimal places

    Answer: 8.69cm
  4. 4. Ratio

    Simplify the ratio 2kg : 750g

    Answer: 8:3
  5. 5. Statistics

    Calculate the mean of: 12, 13, 12, 5, 48, 22, 39. Give your answer to 2 decimal places

    Answer: 21.57

Friday 1 November 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00009 in standard form

    Answer: 9 × 10-5
  2. 2. Algebra

    Factorise: x² - 3x - 18

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

    Adjacent = 13cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 22.52cm
  4. 4. Ratio

    £145.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £58.00
  5. 5. Statistics

    The mean of 5 numbers is 22. If 4 of them are 15, 19, 17, 28, what is the missing number?

    Answer: 31