They are some of the nation's brightest minds, so it is perhaps of no surprise the boffins at GCHQ set a quiz question that left radio listeners stumped. The Countdown-inspired Maths problem ...

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 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 ...

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 - ...

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 ...

Countdown's maths whizz Rachel Riley has urged parents to 'smash the stereotypes' and raise girls to believe they're good enough for scientific careers. A recent study from New York University found ...