A GCSE maths question is so difficult, it left 85% of people scratching their heads in a bid to try and answer it correctly. The month of May signals the start of exam season, with millions of pupils ...

THOUSANDS of teenagers have been left baffled by an "impossible" GCSE maths question they claim can't be solved. Hoards of 16-year-olds across the country sat the exam this week - but were stumped by ...