• 1)

    Edexcel C1 June 2014 – Q3
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    Part (a):

    Part (b):

    Part (c):

  • 2)

    OCR C1 June 2012 – Q9
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    Part (i):

    Part (ii):

  • 3)

    Edexcel C1 June 2010 – Q3
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  • 4)

    Edexcel C1 June 2009 – Q4
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    Part (a):

    Part (b):

    Part (c):