• 1)

    Edexcel C4 June 2013 – Q2
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    Part (a):

    Part (b):

  • 2)

    OCR C4 June 2013 – Q10
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    Part (i):

    Part (ii):

    Part (iii):

    Part (iv):

  • 3)

    Edexcel C4 January 2013 – Q1
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  • 4)

    Edexcel C4 June 2012 – Q3
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    Part (a):

    Part (b) & (c):

  • 5)

    Edexcel C4 January 2011 – Q5
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    Part (a):

    Part (b):

    Part (c):

  • 6)

    Edexcel C4 January 2010 – Q1
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    Part (a):

    Part (b):

    Part (c):

  • 7)

    Edexcel C4 June 2009 – Q1
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  • 8)

    Edexcel C4 June 2008 – Q5
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    Part (a):

    Part (b):