Answers to “Challenge Yourself” questions

Last week we posted three of the “Challenge Yourself” questions from our forthcoming AQA GCSE Maths A-A* Practice Book.  Labelling them “mean”, “meaner” and “meanest”, we picked a selection that should test the full gamut of ability in a top maths set.  

You’ll find the questions at this link, and here are the answers: 

Mean 

Answer to probability/tree diagram question about the basketball player: 

Click to enlarge

Meaner 

Answer to quadratics question on the Golden Ratio: 

Click to enlarge

Meanest 

Answer to the question on cones: 

Click to enlarge

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