This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through ...

What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people ...

The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

Assign the digits 0 through 9 to the letters below to create valid sums. Each letter stands for a unique digit, and all occurrences of that letter stand for the same digit. (For instance, if A = 6, ...

Here, count with me: 1, 2, 3, 4, 5, 6, 7, 8, 9, T, 11, 12 … Oh, what’s that? You write ten with “zero”? Fair enough. Zero, we have been told, is the ...

A new mathematical puzzle has caught the internet’s attention, challenging users to put their logic and reasoning skills to the test. (Also read: Optical illusion: Can you spot the hidden cat in this ...

Tackling this maths conundrum isn't as simple as it first appears. Keeping your brain in shape is just as crucial for your health as maintaining physical fitness – and we achieve mental workouts by ...