On what sum will the compound interest at 5% per annum for 2 years compounded annually be Rs  164?

Explanation

To find the principal sum on which the compound interest at 5% per annum for 2 years compounded annually is Rs 164, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Formula for Compound Interest**:
The formula for the amount \( A \) after \( n \) years with principal \( P \), rate \( r \), and time \( n \) is:
\[
A = P \left(1 + \frac{r}{100}\right)^n
...