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Lintel Aug 27 - Sep 2 25 questions
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Monday 27 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0071 in standard form

    Answer: 7.1 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 10

    Answer: (x + 5)(x - 2)
  3. 3. Geometry

    Adjacent = 20cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

    Answer: 15.07cm
  4. 4. Ratio

    £120.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £80.00
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 37, 41, 20, 32, 20, what is the missing number?

    Answer: 48

Tuesday 28 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000015 in standard form

    Answer: 1.5 × 10-5
  2. 2. Algebra

    Factorise: x² + 8x - 9

    Answer: (x + 9)(x - 1)
  3. 3. Geometry

    Adjacent = 21cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 20.28cm
  4. 4. Ratio

    Simplify the ratio 2 litres : 800 ml

    Answer: 5:2
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 45, 27, 37, what is the missing number?

    Answer: 11

Wednesday 29 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 3,500,000 in standard form

    Answer: 3.5 × 106
  2. 2. Algebra

    Factorise: x² - 3x - 28

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

    Hypotenuse = 23cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 19.29cm
  4. 4. Ratio

    £273.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £78.00
  5. 5. Statistics

    Calculate the mean of: 17, 40, 49, 5, 10, 47, 41. Give your answer to 2 decimal places

    Answer: 29.86

Thursday 30 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 20,000 in standard form

    Answer: 2 × 104
  2. 2. Algebra

    Factorise: x² - 23x + 132

    Answer: (x - 11)(x - 12)
  3. 3. Geometry

    Adjacent = 20cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.6cm
  4. 4. Ratio

    £250.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £100.00
  5. 5. Statistics

    Calculate the mean of: 47, 45, 17, 19, 37, 14, 12, 40. Give your answer to 2 decimal places

    Answer: 28.88

Friday 31 August 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 21,000 in standard form

    Answer: 2.1 × 104
  2. 2. Algebra

    Factorise: x² - 7x - 30

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

    Hypotenuse = 36cm, angle = 60°. Find adjacent side

    Answer: 18cm
  4. 4. Ratio

    Simplify the ratio 9m : 25cm

    Answer: 36:1
  5. 5. Statistics

    The mean of 6 numbers is 34. If 5 of them are 40, 32, 46, 38, 35, what is the missing number?

    Answer: 13