1.

You are given two series in two rows. In the first row, a full series is given which follows a specific pattern. The second row has a series, similar to the first series but only first element of this series is produced followed by (A), (B), (C), (D) and (E) for the subsequent elements. You have to complete the series starting with a given number and answer the question that follows. {:("2","9","57","337","1681",),("3","A","B","C","D","E"):} What will come in place of E?

Answer»

673
3361
13441
17

Solution :The rule used is `xx8-7,xx7-6,xx6-5,xx5-4andxx4-3` using the same rule, starting from 3, the NEW SERIES is:
3, 17, 113, 673, 3361, 13441.


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