We have another pub quiz to challenge you on this week. The questions you will be quizzed on cover a wide range of categories ...

The reasoning behind the answer to this brainteaser is that since the paper clip weighs the least of the things in the image, ...

Before taking part in the quiz make sure you have a pencil or pen and a piece of paper ready for writing down your answers - better still, print off our answer sheet below. Use your mental maths ...

Before taking part in the quiz make sure you have a pencil or pen and a piece of paper ready for writing down your answers - better still, print off our answer sheet below. Use your mental maths ...

In order to track down the toughest "Harry Potter" trivia questions, we put our own memory to the test on Scholastic's "Wizard's Challenge" — an online quiz with a wide range of difficulty.

These brain teasers not only entertain but also challenge our perception and cognitive abilities. From confusing shadows to shape-shifting images ... be surprised if the answer changes the ...