If the 8th term of an A.P. is 31 and the 15th term is 16 more than the 11th term, find the A.P.

Explanation

To solve the problem step by step, we will use the properties of an Arithmetic Progression (A.P.).

### Step 1: Define the terms of the A.P.
Let the first term of the A.P. be \( A \) and the common difference be \( D \).

### Step 2: Write the expressions for the terms given in the problem.
The \( n \)-th term of an A.P. can be expressed as:
\[
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