The next number of the sequence 3, 5, 9, 17, 33, .... is

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The next number of the sequence 3, 5, 9, 17, 33, .... is

1. 65
2. 60
3. 50
4. 49

Correct Option: A

The pattern is :
3 + 2 = 5
5 + 2 × 2 = 5 + 4 = 9
9 + 2 × 4 = 9 + 8 = 17
17 + 2 × 8 = 17 + 16 = 33
33 + 2 × 16 = 33 + 32 = ?
∴ ? = 65
Thus , The next number of the sequence is 65 .