Question

• Calculate the amount and CI compounded principal=10800,
Time = 3yrs
rate =5% annually?​

Answer 1

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• Principal = Rs 10,800
• Time = 3 years
• Rate = 5% annually

Formula of Amount :-

$principal \: (1 + \frac{rate}{100} ) {}^{time}$

$10800 \: (1 + \frac{5}{100} ) {}^{3} \\ \\ 10800 \: (1 + \frac{1}{20} ) {}^{3} \\ \\ 10800 \: ( \frac{1}{1} + \frac{1}{20} ) {}^{3} \\ \\ 10800 \: ( \frac{20 + 1}{20} ) {}^{3} \\ \\ 10800 \times \frac{21}{20} \times \frac{21}{20} \times \frac{21}{20} \\ \\ 108 \times \frac{21}{2} \times \frac{21}{2} \times \frac{21}{20} \\ \\ \frac{1000188}{80} \\ \\ = 12502.35$

FORMULA OF COMPOUND INTEREST :-

$amount - interest$

= 12502.35 - 10800

= 1702.35

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hope it helps

Answer 2

Step-by-step explanation:

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