Question

A sum of * 9, 600 is invested for 3 years at 10%
p.a. compound interest
(i) Find the compound interest at the end of 3 years.​

Answer 1

Principal = ₹ 9600

Time = 3 yrs

Rate of Interest = 10%

CI = A - P

$9600( 1 + \frac{10}{100})^{3} - 9600 \\ \\ 9600( \frac{11}{10} )^{3} - 9600 \\ \\ 9600 \times \frac{1331}{1000} - 9600 \\ \\ 96 \times 133.1 - 9600 \\ 12777.6 - 9600 \\ = 3177.6$

Compound Interest = ₹ 3177.6

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