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Find the Amount of Rs 4096 for 18 Months at 12 1 2 % per Annum, the Interest Being Compounded Semi-annually. - Mathematics

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प्रश्न

Find the amount of Rs 4096 for 18 months at

\[12\frac{1}{2} \%\] per annum, the interest being compounded semi-annually.
योग

उत्तर

Given: 
P = Rs 4, 096
R = 12 . 5 % p . a . 
n = 18 months = 1 . 5 years
We have: 
\[\text{ A = P }\left( 1 + \frac{R}{100} \right)^n \]
When the interest is compounded semi - annually, we have: 
\[\text{ A = P }\left( 1 + \frac{R}{200} \right)^{2n} \]
\[ =\text{ Rs }4, 096 \left( 1 + \frac{12 . 5}{200} \right)^3 \]
\[ =\text{ Rs }4, 096 \left( 1 . 0625 \right)^3 \]
\[ =\text{ Rs }4, 913\]
Thus, the required amount is Rs 4, 913.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Compound Interest - Exercise 14.2 [पृष्ठ १५]

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आरडी शर्मा Mathematics [English] Class 8
अध्याय 14 Compound Interest
Exercise 14.2 | Q 7 | पृष्ठ १५

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