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Lintel Jul 19 - 25 25 questions
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Monday 19 July 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00034 in standard form

    Answer: 3.4 × 10-4
  2. 2. Algebra

    Factorise: x² + 5x - 14

    Answer: (x + 7)(x - 2)
  3. 3. Geometry

    Adjacent = 30cm, angle = 48°. Find opposite. Give your answer to 2 decimal places

    Answer: 33.32cm
  4. 4. Ratio

    Simplify the ratio kg : 550g

    Answer: 20:11
  5. 5. Statistics

    Calculate the mean of: 5, 21, 40, 26, 8, 41, 41, 35. Give your answer to 2 decimal places

    Answer: 27.13

Tuesday 20 July 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 8,800,000 in standard form

    Answer: 8.8 × 106
  2. 2. Algebra

    Factorise: x² - 6x - 7

    Answer: (x + 1)(x - 7)
  3. 3. Geometry

    Hypotenuse = 26cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.39cm
  4. 4. Ratio

    £175.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £125.00
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 49, 15, 31, what is the missing number?

    Answer: 41

Wednesday 21 July 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0045 in standard form

    Answer: 4.5 × 10-3
  2. 2. Algebra

    Factorise: x² - 11x + 18

    Answer: (x - 2)(x - 9)
  3. 3. Geometry

    Adjacent = 12cm, angle = 48°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.33cm
  4. 4. Ratio

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

    Answer: £108.00
  5. 5. Statistics

    Calculate the mean of: 16, 12, 12, 42, 25, 25, 5, 6. Give your answer to 2 decimal places

    Answer: 17.88

Thursday 22 July 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 250,000 in standard form

    Answer: 2.5 × 105
  2. 2. Algebra

    Factorise: x² + 4x - 32

    Answer: (x + 8)(x - 4)
  3. 3. Geometry

    Hypotenuse = 18cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 12.95cm
  4. 4. Ratio

    Simplify the ratio £1 : 35p

    Answer: 20:7
  5. 5. Statistics

    Calculate the mean of: 32, 34, 12, 33, 38, 38. Give your answer to 2 decimal places

    Answer: 31.17

Friday 23 July 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0058 in standard form

    Answer: 5.8 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 2

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

    Adjacent = 23cm, angle = 53°. Find opposite. Give your answer to 2 decimal places

    Answer: 30.52cm
  4. 4. Ratio

    Simplify the ratio 5 litres : 50 ml

    Answer: 100:1
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 48, 32, 36, 20, 32, what is the missing number?

    Answer: 6