An Interesting Question from OCR

It’s a Sunday so it is a very short post from me…

This afternoon I was looking at the Higher specimen papers for the new GCSE maths specification from OCR and I really liked the following question from Paper 4  

The mark scheme lists the following examples as suitable answers to the first part:  

I found this question interesting as I haven’t seen something like this in any of the old style papers and I also read something (unfortunately I can’t remember where) about the staggering amount of teachers who couldn’t answer the question “is 0 even or odd”. 

What do you think of this question?

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