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Cricket Ratings

Like all sports rankings, the cricket ratings involve some maths. In this case, they use a mathematical technique known as exponential weighting. For those who want to know more, read on.

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History of Morse

This short article gives an outline of the origins of Morse code and its inventor and how the frequency of letters is reflected in the code they were given.

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Odd One Out

In this short problem, can you deduce the likely location of the odd ones out in six sets of random numbers?

Perception Versus Reality

Age 14 to 18 Challenge Level:
Well done to Martha from Kings Norton Girls' School who created a video response to this problem:

I created a video about the distribution of religions in England based on this task, however changed the question about 'how it should be' to 'how it was 50 years ago' as this was more suitable.

You can watch Martha's video on YouTube.