Question

Select the number that DOES NOT belong to the following group.

1, 2, 5, 12, 20, 32, 45
1. 45
2. 32
3. 20
4. 12

Answer 1

Correct Answer - Option 3 : 20

The logic is:

This is the series of odd numbers followed by even numbers followed by odd numbers so on.

odd → even

1 → Odd

2 → Even

5 → Odd

12 → Even

20 → Even

32 → Odd

45 → Even

Hence, 20 is the correct answer.