Question

8. If ₹ 16,000 amounts to ₹ 22781.25 in 3 years. Find the rate of interest, if the interest is compounded annually.
Formula :
$a = p \: (1 + \frac{r}{100}) ^{2}$
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Answer 1

12.5
And the formula was wrong as it is ti be 3years
,so instead of taking square take cube and u will get the answer
a-22781.25
P-16,000