Question

find the amount and the compound interest on 50000 for 3 years at 12% per annum compound annually​

Answer 1

$principal = (1 + \frac{rate}{100} ) {}^{n}$

$50000(1 + \frac{12}{100} ) {}^{3}$

by cutting 12/100=3/25

$50000(1 + \frac{3}{25} ) {3}^{}$

$50000( \frac{37}{25} )$

$50000 \times \frac{37}{25} \times \frac{37}{25} \times \frac{37}{25}$

by cutting two 25 to 50000

$80 \times \frac{37 \times 37 \times 37}{ 25}$

$80 \times \frac{50563}{25}$

$\frac{1264075}{25}$

=50563

Compound interest=Amount -Principal

=50563-50000

=563

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Answer 2

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563