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 ...

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 ...

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 ...

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 ...

Rita was a Managing Editor at Android Police. Once upon a time, she was a pharmacist as well. Her love story with Android started in 2009 and has been going stronger with every update, device, tip, ...

Playing number board games for just ten minutes helps young children build strong early math skills supporting economic ...

For children who find math difficult or frustrating, or who just like to be challenged, there are many cool math games online to play for free. But are they useful? Research shows that the brain’s ...