Question

A certain sum of money amounts to Rs 57600 in 2 years Rs 65536 in 4 years at C.I compound anually. Find the sum and rate of interst

Answer 1

2 years amount is sum for another 2 years


so
sum is 50625
and rate is 20/3 %
$sum = 50625 \\ rate = 6 \frac{2}{3} \%$