Question

on what sum of money will the compound interset for 2 years at 5 percent per annum amount to ruppees768.75?​

Answer 1

Answer:

Principal = Rs 697.28

Explanation:

Let the sum of money (principal) be P.

We know,

A=P*$(1+\frac{r}{100})^{n}$

$\frac{76875}{100}$=P$(1+\frac{5}{100})^{2}$

$\frac{76875}{100}$=P$(\frac{105}{100})^{2}$

$\frac{76875}{100}$=$\frac{P*105*105}{100*100}$

P= Rs $\frac{76875*100*100}{105*105*100}$

P=Rs 697.28

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