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Lintel Jun 18 - 24 25 questions
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Monday 18 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 14,000 in standard form

    Answer: 1.4 × 104
  2. 2. Algebra

    Factorise: x² - 12x + 35

    Answer: (x - 5)(x - 7)
  3. 3. Geometry

    Adjacent = 19cm, angle = 59°. Find opposite. Give your answer to 2 decimal places

    Answer: 31.62cm
  4. 4. Ratio

    £135.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £81.00
  5. 5. Statistics

    Calculate the mean of: 26, 39, 24, 37, 22, 50

    Answer: 33

Tuesday 19 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00004 in standard form

    Answer: 4 × 10-5
  2. 2. Algebra

    Factorise: x² - 6x + 5

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

    Hypotenuse = 34cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.48cm
  4. 4. Ratio

    £160.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £100.00
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 33, 30, 40, 38, 26, what is the missing number?

    Answer: 31

Wednesday 20 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 35,000 in standard form

    Answer: 3.5 × 104
  2. 2. Algebra

    Factorise: x² + 20x + 96

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

    Adjacent = 28cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 27.04cm
  4. 4. Ratio

    £287.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £82.00
  5. 5. Statistics

    Calculate the mean of: 5, 46, 17, 30, 41, 46, 13. Give your answer to 2 decimal places

    Answer: 28.29

Thursday 21 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.035 in standard form

    Answer: 3.5 × 10-2
  2. 2. Algebra

    Factorise: x² + 4x - 21

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

    Hypotenuse = 37cm, angle = 43°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 27.06cm
  4. 4. Ratio

    Orange, purple and pink counters are in the ratio 3:3:11. What fraction of the counters are purple?

    Answer: 3⁄17
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 34, 28, 31, 45, 40, what is the missing number?

    Answer: 38

Friday 22 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 63,000 in standard form

    Answer: 6.3 × 104
  2. 2. Algebra

    Factorise: x² - 6x - 16

    Answer: (x + 2)(x - 8)
  3. 3. Geometry

    Adjacent = 10cm, angle = 45°. Find opposite

    Answer: 10cm
  4. 4. Ratio

    £350.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £250.00
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 31, 15, 19, 35, what is the missing number?

    Answer: 70