Maths Lecturer explains tricky GCSE maths question.

Dr John Moriarty, senior lecturer in probability and statistics.

The 2015 Edexel maths exam contained a particular question that stumped many students and led to the topic, as well as a few memes, trending on Twitter.

Dr John Moriarty from the School of Mathematics appeared on BBC radio to explain the question and why this seems to have caused such debate. You can listen to Dr Moriarty on BBC Radio Northampton at 40:10 minutes into the programme or on BBC Radio Derby at 45:50.

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