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Lintel Jun 6 - 12 25 questions
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Monday 6 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0057 in standard form

    Answer: 5.7 × 10-3
  2. 2. Algebra

    Factorise: x² - 4x - 60

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

    Adjacent = 11cm, angle = 32°. Find opposite. Give your answer to 2 decimal places

    Answer: 6.87cm
  4. 4. Ratio

    £162.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £54.00
  5. 5. Statistics

    Calculate the mean of: 18, 11, 22, 21, 45, 25, 25. Give your answer to 2 decimal places

    Answer: 23.86

Tuesday 7 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 540,000 in standard form

    Answer: 5.4 × 105
  2. 2. Algebra

    Factorise: x² + 11x - 12

    Answer: (x + 12)(x - 1)
  3. 3. Geometry

    Hypotenuse = 16cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 8.71cm
  4. 4. Ratio

    Simplify the ratio 3 hours : 10 minutes

    Answer: 18:1
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 38, 18, 41, 26, 40, what is the missing number?

    Answer: 11

Wednesday 8 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 870,000,000 in standard form

    Answer: 8.7 × 108
  2. 2. Algebra

    Factorise: x² + 15x + 50

    Answer: (x + 10)(x + 5)
  3. 3. Geometry

    Hypotenuse = 35cm, angle = 42°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 26.01cm
  4. 4. Ratio

    Red, blue and green sweets are in the ratio 3:10:9. What fraction of the sweets are blue?

    Answer: 5⁄11
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 36, 39, 22, 30, 42, what is the missing number?

    Answer: 29

Thursday 9 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.014 in standard form

    Answer: 1.4 × 10-2
  2. 2. Algebra

    Factorise: x² - x - 42

    Answer: (x + 6)(x - 7)
  3. 3. Geometry

    Adjacent = 26cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 37.13cm
  4. 4. Ratio

    Simplify the ratio 4 litres : 300 ml

    Answer: 40:3
  5. 5. Statistics

    Calculate the mean of: 46, 44, 29, 47, 17, 42, 28, 25

    Answer: 34.75

Friday 10 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0025 in standard form

    Answer: 2.5 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 2

    Answer: (x + 1)(x - 2)
  3. 3. Geometry

    Hypotenuse = 37cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 33.26cm
  4. 4. Ratio

    £120.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £72.00
  5. 5. Statistics

    Calculate the mean of: 46, 12, 27, 44, 16, 45. Give your answer to 2 decimal places

    Answer: 31.67