The simple interest on a sum of money is$$\frac{8}{25}$$ of the sum. If the number of years is numerically half the rate percent per annum, then the rate percent per annum is
given,
Time= R/2,Rate=R
Now 8=(25×R×R)/100×2
As , SI=(P×R×T)100
8=(R^2)/(4×2)=64=R^2
R=8 %
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