Question

the national wealth of a country increases by 4% of its value at the beginning of every year find the national wealth of the country in 1985 if it was estimated at rupees 3.125 x 10 *12 in 1983

Answer 1

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Answer 2

Answer:

$\bf\textbf{National wealth of the country = }3.380\times 10^{12}$

Step-by-step explanation:

Time from year 1983 to 1985 = 2 years.

$\text{Principal value = Rs. 3.125 }\times 10^{12}$

Rate = 4% and n = 1 ( because the wealth is increasing annually)

$Amount = Principal\times (1+\frac{rate}{100\times n})^{n\times Time}\\\\\implies Amount=3.125\times 10^{12}\times ({1+\frac{4}{100\times 1})^{1\times 2}} \\\\\implies Amount = 3.380\times 10^{12}$

$\bf\textbf{Hence, National wealth of the country = }3.380\times 10^{12}$