Given,
Amount = Rs.756.25
Rate = 10% p.a
Time = 2 years
Let principal = P
So,
\({A}={P}[({1}+\frac{R}{100})^T]\)
\(={P}[({1}+\frac{10}{100})^2]\) = 756.25
\(={P}\times\frac{121}{100}\) = 756.25
\(={P}=\frac{756.25\times100}{121}\) = Rs 625
Hence,
Principal = Rs.625
