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Lintel May 26 - Jun 1 25 questions
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Monday 26 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 68,000,000 in standard form

    Answer: 6.8 × 107
  2. 2. Algebra

    Factorise: x² + 21x + 108

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

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

    Answer: 27.71cm
  4. 4. Ratio

    Simplify the ratio 5 hours : 55 minutes

    Answer: 60:11
  5. 5. Statistics

    Calculate the mean of: 46, 19, 35, 16, 15, 42, 36. Give your answer to 2 decimal places

    Answer: 29.86

Tuesday 27 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0094 in standard form

    Answer: 9.4 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 28

    Answer: (x + 7)(x - 4)
  3. 3. Geometry

    Hypotenuse = 15cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 12.58cm
  4. 4. Ratio

    £205.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £123.00
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 15, 39, 29, 40, 34, what is the missing number?

    Answer: 17

Wednesday 28 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0065 in standard form

    Answer: 6.5 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 6

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

    Hypotenuse = 15cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 11.32cm
  4. 4. Ratio

    £336.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £240.00
  5. 5. Statistics

    The mean of 5 numbers is 40. If 4 of them are 34, 43, 24, 31, what is the missing number?

    Answer: 68

Thursday 29 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 9,100,000 in standard form

    Answer: 9.1 × 106
  2. 2. Algebra

    Factorise: x² + 20x + 96

    Answer: (x + 12)(x + 8)
  3. 3. Geometry

    Adjacent = 17cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 24.28cm
  4. 4. Ratio

    £186.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £62.00
  5. 5. Statistics

    Calculate the mean of: 32, 38, 7, 31, 18, 14, 6. Give your answer to 2 decimal places

    Answer: 20.86

Friday 30 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 2,700,000 in standard form

    Answer: 2.7 × 106
  2. 2. Algebra

    Factorise: x² + 3x - 88

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

    Hypotenuse = 18cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 11.57cm
  4. 4. Ratio

    £125.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £75.00
  5. 5. Statistics

    Calculate the mean of: 19, 37, 50, 32, 26, 18. Give your answer to 2 decimal places

    Answer: 30.33