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'Why 24?' printed from http://nrich.maths.org/

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This problem is in two parts. The first part provides some building blocks which will help you to solve the final challenge. These can be attempted in any order. Of course, you are welcome to go straight to the Final Challenge without looking at the building blocks!

Click on any of the questions below to get started.

Question A
 


Question B
 


Question C
 


Question D
 


FINAL CHALLENGE