A Stock Symbol - or Ticker - is a series of characters (usually letters) that represent the company on a stock exchange. Most are simple abbreviations of the company name but some are more creative than that. Test your knowledge of some of the best ticker symbols with these multiple choice questions...

Mathematics is fundamental to our understanding of the world around us. Test your knowledge of this fascinating subject with these multiple choice questions.

Every element in the period table has a symbol but some are more obvious than others. Can you name these ten elements from their chemical symbols?

Great architecture combines art and science to create structures of aesthetic appeal and functionality. Test your knowledge of this fascinating subject with these multiple choice questions...