Interest on Rs.800 in 3 years at 4% Simple Interest equals twice the interest on Rs.300 at 8% in 'n' years,thenfind 'n’.
SI=$$\frac{P*R*T}{100}$$
Given,
$$\frac{800*3*4}{100}$$=2*$$\frac{300*8*n}{100}$$
96=2*24n
96=48n
n=$$\frac{96}{48}$$
n=2
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