If $S_{n}=65$ then the number of the series -7+(-5)+(-3)..... is

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If $S_{n}=65$ then the number of the series -7+(-5)+(-3)..... is

E

Editor

Sep 18, 2022

If $S_{n}=65$ then the number of the series -7+(-5)+(-3)..... is

Difficulty: Easy

A:

-5

B:

13

C:

9

D:

-13

ID: 63273dbaca83163ac3a12bb5