What is the formula for compound interest?

$C . I = P (1 + \frac{r}{100})^{n}$

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$C . I = P (1 + \frac{r}{10})^{n}$

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$C . I = P (1 + \frac{100}{r})^{n}$

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$C . I = P (1 + \frac{r}{100})^{n} - P$

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Solution

The correct option is D $C . I = P (1 + \frac{r}{100})^{n} - P$
This is the formula for total amount
A = $= P (1 + \frac{r}{100})^{n}$
C.I =Total amount - Principal amount

Hence C.I = $= P (1 + \frac{r}{100})^{n} - P$

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