• 1)

    Edexcel C4 June 2013 – Q1
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  • 2)

    OCR C4 June 2013 – Q2
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  • 3)

    Edexcel C4 January 2013 – Q2
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  • 4)

    Edexcel C4 June 2012 – Q7
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    Part (a):

    Part (b):

    Part (c):

  • 5)

    Edexcel C4 January 2012 – Q2
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    Part (a):

    Part (b):

  • 6)

    Edexcel C4 January 2011 – Q1
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  • 7)

    Edexcel C4 June 2010 – Q6
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    Part (a):

    Part (b):

  • 8)

    Edexcel C4 January 2010 – Q2
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    Parts (a) & (b):

    Part (c)(i):

    Part (c)(ii):

  • 9)

    Edexcel C4 June 2009 – Q6
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    Part (a):

    Part (b)(i):

    Part (b)(ii):

  • 10)

    Edexcel C4 January 2009 – Q6
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    Part (a):

    Part (b):

    Part (c):

  • 11)

    Edexcel C4 June 2008 – Q2
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    Part (a):

    Part (b):

  • 12)

    Edexcel C4 January 2008 – Q4
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    Part (i) Version 1:

    Part (i) Version 2:

    Part (ii):