Amount $= P(1 + R/100)^T \Rightarrow 12100 = P(1.1)^2 \Rightarrow 12100 = P imes 1.21 \Rightarrow P = 10000$.
मिश्रधन $= P(1 + R/100)^T \Rightarrow 12100 = P(1.1)^2 \Rightarrow 12100 = P imes 1.21 \Rightarrow P = 10000$।