If the first term of the series is 30 and the 14th term is 95, what is the sum of all the terms of the series? a. 813 b. 423 c. 455 d. 875

D)  .

Step-by-step explanation:

Given  : If the first term of the series is 30 and the 14th term is 95,

To find : what is the sum of all the terms of the series.

Solution : We have given

First term = 30 .

14 th term = 95.

Sum of all term = .

Here, n = 14.

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Therefore, D)  .