## Simple and compound interest

[latexpage] Simple interest $SI = P*R*T/100$ P= principal amount R = rate/unit T = time/year month day etc. Compound interest $CI = P(1+\frac{R}{100})^n$ P= principal amount R= rate/unit T= time unit Where rate are difference for different unit or time. Than $C.I = p(1+\frac{R1}{100}) (1+\frac{R2}{100}) (1+\frac{R3}{100}) ……….$ Present worth of Rs x lac in year … Read more