Math puzzles that challenge you to find the missing number are like brain teasers with a numerical twist.. They come in many forms, from simple addition sequences with a hidden pattern to complex ...

2¹¹¹ is the number before this, so we can use the 2, 4, 8, 6 pattern to work out that 2¹¹¹ must end in an 8. It looks like the final digits in the pyramid repeat the pattern 2 , 4 , 8 , 6 .