This maths puzzle has left adults completely and utterly stumped, not knowing what the answer is - but do you think you'll be ...
A math puzzle designed for children has left adults scratching their heads as they can't figure out why they got the 'wrong' ...
This spot-the-difference puzzle is a mind-boggling challenge that will reveal if you’re observant or not. Find the hidden cat ...
If you’re the kind of person who enjoys completing the crossword in the morning newspaper or challenging yourself with tricky ...
GCHQ has issued its 2024 Christmas brain-teaser as intelligence chiefs seek to persuade children and adults to consider a ...