Question

The series given below contains a sequence of numbers. Identify the incorrect combination:

2, 3, 5, 7, 9, 11, 13, 17, 19

1. 11
2. 17
3. 19
4. 9

Answer 1

Correct Answer - Option 4 : 9

Here, all the numbers present in the series are prime numbers except '9'.

Note:

Prime numbers are those numbers who are divisible by 1 or by themselves.

Example : 2, 3, 5, 7, 11, 13, 17, 19 etc

Hence,'9' is the correct answer.