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Lintel Nov 28 - Dec 4 25 questions
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Monday 28 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00037 in standard form

    Answer: 3.7 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 22cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

    Answer: 28.16cm
  4. 4. Ratio

    £414.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £184.00
  5. 5. Statistics

    The mean of 4 numbers is 26. If 3 of them are 46, 18, 15, what is the missing number?

    Answer: 25

Tuesday 29 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 350,000 in standard form

    Answer: 3.5 × 105
  2. 2. Algebra

    Factorise: x² + 2x - 99

    Answer: (x + 11)(x - 9)
  3. 3. Geometry

    Hypotenuse = 35cm, angle = 37°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 27.95cm
  4. 4. Ratio

    Simplify the ratio 1 litre : 700 ml

    Answer: 10:7
  5. 5. Statistics

    Calculate the mean of: 23, 22, 5, 24, 10, 32, 36, 41. Give your answer to 2 decimal places

    Answer: 24.13

Wednesday 30 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 310,000,000 in standard form

    Answer: 3.1 × 108
  2. 2. Algebra

    Factorise: x² + 3x - 88

    Answer: (x + 11)(x - 8)
  3. 3. Geometry

    Adjacent = 15cm, angle = 43°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.99cm
  4. 4. Ratio

    Simplify the ratio 6m : 65cm

    Answer: 120:13
  5. 5. Statistics

    Calculate the mean of: 30, 16, 45, 14, 33, 7. Give your answer to 2 decimal places

    Answer: 24.17

Thursday 1 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.059 in standard form

    Answer: 5.9 × 10-2
  2. 2. Algebra

    Factorise: x² + 16x + 63

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

    Adjacent = 15cm, angle = 54°. Find opposite. Give your answer to 2 decimal places

    Answer: 20.65cm
  4. 4. Ratio

    Black, white and yellow marbles are in the ratio 2:2:12. What fraction of the marbles are white?

    Answer: 1⁄8
  5. 5. Statistics

    Calculate the mean of: 22, 22, 32, 31, 35, 38

    Answer: 30

Friday 2 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 7,300,000 in standard form

    Answer: 7.3 × 106
  2. 2. Algebra

    Factorise: x² + 3x - 108

    Answer: (x + 12)(x - 9)
  3. 3. Geometry

    Hypotenuse = 40cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 33.55cm
  4. 4. Ratio

    £344.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £215.00
  5. 5. Statistics

    Calculate the mean of: 7, 33, 5, 31, 34, 13

    Answer: 20.5