In each of the following number series, a wrong number is given. Find out that number.
12, 14, 18, 23, 32, 42, 54
1
12
2
32
3
23
4
18
5
54
In each of the following number series, a wrong number is given. Find out that number.
12, 14, 18, 23, 32, 42, 54