Question

find the compound intrest on rs 1000 at 10% per annum for 2 year​

Answer 1

Answer:

210

Step-by-step explanation:

compound interest after 2yrs of 1000 Rs at the rate 10% per annum is 210 Rs. it is given that principal , P = 1000 Rs. = 210 Rs. hence, compound interest = 210 Rs

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Answer 2

Given :

⬤ Principal = Rs. 1000 .

⬤ Rate of Interest = 10%

⬤ Time Taken = 2 years.

To Find :

⬤ Compound Interest.

Formula Used :

$\begin{gathered}:\implies\bf[\:{Amount=P\bigg(1+\dfrac{r}{100}\bigg)^{t}}\\ \\\end{gathered}\:]$

Solution :

$\begin{gathered}:\implies\sf{A = 1000 \bigg(\dfrac{1}{1}+ \dfrac{10}{100}\bigg)^{2}}\\ \\\end{gathered}$

$\begin{gathered}:\implies\sf{A = 1000 \bigg(\dfrac{100+10}{100}\bigg)^{2}}\\ \\\end{gathered}$

$\begin{gathered}:\implies\sf{A = 1000 \bigg(\dfrac{100}{100}\bigg)^{2}}\\ \\\end{gathered}$

$\begin{gathered}:\implies\sf{A = 1000 \bigg(\dfrac{12100}{10000}}\bigg)\\ \\\end{gathered}$

$\begin{gathered}:\implies\sf{A = 10 \times{121}}\\ \\\end{gathered}$

$\begin{gathered}:\implies\bf{A = 1210}\\ \\\end{gathered}$

Therefore , Amount is Rs. 1210.

Formula Used :

$\bf[\:{C.I = Amount - Principal}\:]$

• C.I = Compound Interest

Solution :

1210 - 1000

210

Therefore , Compound Interest is Rs. 210.