The total amount for a sum of ₹400 for 3 years at simple interest at 5% per annum will be
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To calculate simple interest, remember to use the formula \(I = \frac{P \times R \times T}{100}\), where the result is added to the principal for the total amount.
The simple interest formula is:
\[
\text{Simple Interest} = \frac{P \times R \times T}{100}
\]
Where:
- \(P\) is the principal amount (₹400),
- \(R\) is the interest rate (5%),
- \(T\) is the time (3 years).
Calculating the values:
\[
\text{Simple Interest} = \frac{400 \times 5 \times 3}{100} = ₹60
\]
The total amount:
\[
\text{Total Amount} = P + \text{Simple Interest} = 400 + 60 = ₹460
\]
Therefore, the answer is ₹460.