If you can solve these three brainteasers in less than a minute then you have seriously eagle eyes and your attention to detail is absolutely second to none - how fast can you manage it?

An 'impossible' Rubik's cube brainteaser can only be solved in 30 seconds by the most eagle-eyed puzzlers as almost all of ...

A new brainteaser is asking you to find the number 8881 in a sea of 8831s - but you'll need to be quick, as there's a 12-second time limit. So, can you spot the odd one out?