Question

At what rate of intereal per annum will a sum of 8,000 amount to ? 9,260 in 3
years?​

Answer 1

if it's SI question ,

si = 1260

R = 1260*100/8000*3 = 5.25%

if it's CI , amount should be 9261 .

8000-------------- 9261

(20)³ -------------- (21)³

R = 1*100/20 = 5% ✍️