ProofWJEC Core 4A Level Maths past paper questions on the topic of Proof by Contradiction.WJEC C4 June 2005 Q10WJEC C4 June 2006 Q11WJEC C4 June 2007 Q10WJEC C4 June 2008 Q10WJEC C4 June 2009 Q10WJEC C4 June 2010 Q10WJEC C4 June 2011 Q10WJEC C4 June 2012 Q10WJEC C4 June 2013 Q10WJEC C4 June 2014 Q10WJEC C4 June 2015 Q10Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email this to a friend (Opens in new window)MoreClick to print (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)