The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

These puzzles challenge solvers to use a mix of mathematical operations, pattern recognition, and deductive reasoning to uncover hidden numbers. These puzzles require a keen eye for detail and a knack ...

Solving such puzzles within a tight timeframe not only measures your problem-solving capabilities but also enhances your mental agility and speed. They require you to spot patterns, make swift ...

Dr. Emma Chen, a renowned mathematician, has set the international math community abuzz with her latest numerical sequence puzzle. This challenging brain teaser has stumped even the most brilliant ...

A brain teaser on X featuring a 3×3 number grid sparked over 12k views and 300+ comments as users debated the missing number's solution. Brain teasers have long been a favourite among puzzle ...