Solving mathematical puzzles daily can greatly improve your problem-solving skills. It not only exercises your brain but also ...

Best of all, puzzle experts say the pattern could help you solve the hardest ... that's the reason Sudoku's are mathematical,' says Professor Hart. Mathematicians reveal the secrets to getting ...

But even the most dedicated Sudoku-solver might have never spotted this secret pattern ... Best of all, puzzle experts say ...

Once you know these Sudoku tips, you will be able to solve even the most challenging puzzle. What are the basic rules of ...