Question

Find the simple interest and the amount when the following are given.
Principle$=Rs.640$ Rate$=12\frac{1}{2}$% Time$=5$ years

Answer 1

$P=640,T=5$

$r=12\frac{1}{2}\%=0.125$

$I=prt$

$=640\left(0.125\right)\left(5\right)$

$=3200\times 0.125$

$I=400$