Maths has always been a subject that sparks intense debate. While it's a subject that many find challenging, it's also one that can be quite enjoyable, especially when paired with brain teasers ...

The top row reads 4, 9, 2; the middle row has 3, 5, 7; and the bottom row shows 8, 1, with the third number left as a question mark. Users are asked to figure out the missing number and crack the ...

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 ...