GCSE's getting harder causes Paul Dacre's head to explode.

or

"Slightly hard" GCSE Maths Question causes outrage...


http://www.bbc.co.uk/news/education-33017299



The actual question was:

Hannah has 6 orange sweets and some yellow sweets.
Overall, she has n sweets.
The probability of her taking 2 orange sweets is 1/3.

Prove that: n^2-n-90=0

====