How many terms of the A.P. ` 6`, `-(11)/2``,-5,...........`are needed to give the sum ` -25`?

Explanation

To find how many terms of the arithmetic progression (A.P.) \(6, -\frac{11}{2}, -5, \ldots\) are needed to give the sum \(-25\), we can follow these steps:

### Step 1: Identify the first term and common difference
The first term \(A\) of the A.P. is:
\[ A = 6 \]

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