Among the first nine terms of the sequence 5, 7, 11, 19, 31, 67, 131, 259, 515, ..., the number which doesnot fit into the sequence is
- AOption (a)
515
- BOption (b)
7
- COption (c)
31
- DOption (d)
131
View answer & explanationHide answer & explanation
Correct answer
515