Number Puzzles

Numbers are honest, but the way we read them is not always. This round mixes genuine logic — spotting the rule in a sequence — with the small psychological traps that catch even confident people. The most famous is the bat and ball: a bat and ball cost a pound and ten, the bat costs a pound more than the ball, and almost everyone blurts out the wrong answer because the obvious one feels right. Slowing down is the entire skill here. Each puzzle includes a worked explanation so that, win or lose, you see the reasoning rather than just the result, which is how you actually get better at this. You do not need advanced maths; everything resolves with careful reading and a little arithmetic. It is a medium round that rewards patience over speed. Read every question twice before answering — the puzzles are specifically designed to punish the quick, intuitive guess, and a moment of doubt is usually the difference between right and wrong.