Countdown has seen its fair share of seemingly impossible questions that have been cracked by majorly intelligent contestants - but can you answer any of the toughest maths puzzles? Can you answer any ...

Mathematician Dr Tom Crawford will stand in for Rachel Riley on Channel 4's Countdown while she takes a short break to work on another project, it has been announced. Dr Crawford is well-known for his ...

For almost 26 years, thousands of viewers have tried their luck at a tricky Countdown conundrum or maths problem from the safety of their armchair. The Channel 4 staple has had fans try their luck ...

COUNTDOWN’S Rachel Riley has bewildered fans on social media with a mind-boggling maths problem – and people are in uproar over the answer. Taking to Twitter, Marvel director Taika Waititi uploaded a ...

Over the years, Channel 4 viewers have tuned in as Countdown maths gurus Carol Vorderman and Rachel Riley give us head-scratching maths problems. But some of the Countdown rounds have been solved - ...

Rachel Riley’s maths skills have been a part of Countdown for over a decade (Picture: Channel 4) Rachel Riley is one of the mainstays of Countdown, having dazzled us with her maths wizardry since ...

RACHEL RILEY – who rose to fame on Countdown - admitted that she needed a “lie down” after she talked contestants through a tricky maths sum on a recent episode of the popular Channel 4 show. Rachel ...