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# Find the interest on a sum of Rs. 8250 for 3 years at a rate of 8% per annum.

**Given :**

Principal $= Rs. 8250$

Time $= 3 years$

Rate of interest $= 8$%

**To do:**

We have to find interest.

**Solution :**

We know that,

Simple interest (SI) $= \frac{PTR}{100}$

where P is the principal, T is time and R is the rate of interest.

Therefore,

$SI = Rs. 8250\times 3\times \frac{8}{100}$

$= Rs. 825\times 3\times \frac{8}{10}$

$= Rs. 165\times 3\times \frac{8}{2}$

$= Rs. 165\times 3\times 4$

$= Rs. 165\times 12$

$= Rs. 1980$

**Interest on a sum of Rs. 8250 for 3 years at the rate of 8% per annum is Rs. 1980.**

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