Here’s our selection of the 10 best puzzles for adults to shop now ... but you can choose how many pieces depending on how difficult you want it to be. Enjoy the relaxing hues of the Californian ...
A maths question allegedly designed for 7-year-olds in Singapore has resurfaced online, leaving both children and adults stumped. The puzzle, which features a diagram of five numbers and four ...
T he internet is full of mathematical puzzles and illustrations that test our observational skills. Simple equations that ...