Question

Compute compound intrest on rupees 100 for 2 years at 10% p.a​

Answer 1

Answer:

CI = ₹21

Step-by-step explanation:

To calculate compound interest :

$\implies$ $\sf{ A=P\left(1+\Large\frac{r}{100}\right)^{n}}$

$\implies$ $\sf{A=100\left(1+\Large\frac{10}{100}\right)^{2} }$

$\implies$ $\sf{A=100\left(\Large\frac{110}{100}\right)^{2} }$

$\implies$ $\sf{A=100×{\Large\frac{11}{10}}×{\Large\frac{11}{10}} }$

$\implies$ $\sf{A=121 }$

$\implies$ $\sf{CI=A-P }$

$\implies$ $\sf{CI=121-100 }$

$\implies$ $\boxed{\sf{CI= 21 }}$

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