Which of these numbers are least like the others: 3, 5, 11, 14, 17, 21…..

1. Which of these numbers are least like the others: 3, 5, 11, 14, 17, 21…..

[BB Assistant Director-2013 : 2013]

1. 5

2. 11

3. 14

4. 17

5. 21

Answer

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