<h1>How to find the missing number in a set?</h1>

In the following sequence what is the value of n?

Brain teasers and puzzles
Collection missing number
By Panos kalliantasis

Look for a patern
Try to solve this.

Below you can see the answer and the explanation.





Answer

Correct answer 43

Explanation

1,3,7,13,21,31,n,

3=1+2
7=3+4
13=7+6
21=13+8
31=21+10
n=31+12 =43