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Lintel Jun 4 - 10 25 questions
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Monday 4 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 61,000 in standard form

    Answer: 6.1 × 104
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Hypotenuse = 15cm, angle = 37°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 11.98cm
  4. 4. Ratio

    Simplify: 15:15:18

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

    Calculate the mean of: 28, 46, 28, 36, 38, 6, 34. Give your answer to 2 decimal places

    Answer: 30.86

Tuesday 5 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0038 in standard form

    Answer: 3.8 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 72

    Answer: (x + 8)(x - 9)
  3. 3. Geometry

    Adjacent = 14cm, angle = 38°. Find opposite. Give your answer to 2 decimal places

    Answer: 10.94cm
  4. 4. Ratio

    Divide 91 in the ratio 1:4:2

    Answer: 13, 52 and 26
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 49, 16, 49, 22, 23, what is the missing number?

    Answer: 57

Wednesday 6 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 23,000,000 in standard form

    Answer: 2.3 × 107
  2. 2. Algebra

    Factorise: x² - 4x - 45

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

    Hypotenuse = 27cm, angle = 58°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.31cm
  4. 4. Ratio

    Divide 210 in the ratio 1:2:2

    Answer: 42, 84 and 84
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 47, 18, 41, 33, what is the missing number?

    Answer: 36

Thursday 7 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000013 in standard form

    Answer: 1.3 × 10-5
  2. 2. Algebra

    Factorise: x² - 10x - 24

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

    Adjacent = 16cm, angle = 40°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.43cm
  4. 4. Ratio

    Simplify: 6:4:8

    Answer: 3:2:4
  5. 5. Statistics

    Calculate the mean of: 37, 42, 45, 31, 32, 9, 12. Give your answer to 2 decimal places

    Answer: 29.71

Friday 8 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.069 in standard form

    Answer: 6.9 × 10-2
  2. 2. Algebra

    Factorise: x² + 6x + 5

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

    Adjacent = 15cm, angle = 49°. Find opposite. Give your answer to 2 decimal places

    Answer: 17.26cm
  4. 4. Ratio

    Divide 189 in the ratio 3:2:2

    Answer: 81, 54 and 54
  5. 5. Statistics

    Calculate the mean of: 6, 18, 50, 42, 37, 36, 23. Give your answer to 2 decimal places

    Answer: 30.29