Questions, which ask to insert the missing number, come under this category. In most cases one of the following will be given.

- A diagram or a set of diagrams
- Or a matrix
- Or any random figure e.g. star

Each of these has some characters. These characters can be numbers or letters or a combination of number and letters that follow a particular pattern. We need to crack the reasoning or logic behind this pattern so as to find the missing term.

Must Read Missing Character Articles

- Concepts & tricks
- Practice Questions Level 01

Different types of patterns could be there, some of the patterns are as following

- It could be sum of two numbers divided by a constant
- It could be average of numbers
- It could be in the form of alphabets, where alphabets are increased by constant or increased by square of numbers or increased by prime numbers
- It could be the difference of product of two diametrically opposite numbers.
- It could be the difference of sum of adjacent numbers.
- The difference of the numbers could be in the pattern 1
^{3}±1,2^{3}±1, and so on. - The difference of the numbers could be in the pattern 1
^{2}±1, 2^{2}±1, and so on. - Numbers could be 1
^{2},2^{2},3^{2}and so on or 1^{3},2^{3}, 3^{3}… and so on. - The difference could be prime numbers or difference could be square of prime numbers.
- The difference could be in the form of N
^{2}±N or N^{3}±N. - The difference could be in the form of ×N+N or ×2+1,×2+2,×2+3…and so on.
- The difference could be in the form of×2±1 alternatively.
- Numbers could be ×1,×2,×3…… and so on.