Here you will find: Puzzle Page Numerical Sequence January 19 2020 Answers. Let me explain how to play Numerical Sequence. Tests of the numerical sequences type are always based on a standard form. A row of numbers is presented of which you have to find the missing number. This may be at the beginning or middle of the sequence, but is usually at the end. By cleverly using mathematical actions like subtraction, addition, division and multiplication you should be able to solve the sequence and find the missing number. The numbers presented in these sequences can be either integer sequences or rational sequences.