Question

give me the answer please​

Answer 1

Explanation:

Principal =₹12000

Rate=10%

Time=3 years

Amount = P(1+Rate/100)time

A=12000(1+10/100)³

12000(100+10/100)³

12000(110/100)³

= 12000 × 110/100 × 110/100 × 110/100

=₹15,972

Compound interest = Amount - principal

Amount = 15972

Principal=12000

So, 15972-12000

=3,972 is our answer

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Answer 2

Answer:

$a = p(1 + \frac{r}{100} )^{n}$

Here, a = final principal

p = primary principal

r = rate of interest

n = time

i = interest

$a = 12000(1 + \frac{10 }{100} )^{3}$

$a = 12000( \frac{110}{100} )^{3}$

$a = 12000( \frac{1331000}{1000000} )$

$a = 12000( \frac{1331}{1000})$

$a = \frac{12000 \times 1331}{1000}$

$a = 12 \times 1331$

$a = 15972$

$i = a - p$

$i = 15972 - 12000 = 3972$

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