Question

find the amount directly using the formula A=P(1+RT/100) in the following cases .
a)P=5000,R=10%,T=3 years. ​

Answer 1

Answer:

$5000( {1 + \frac{10}{100} )}^{3} \\ 5000 \times \frac{11 \times 11 \times 11}{10 \times 10 \times 10} = 5 \times 1331 \\ = 6655$

Answer 2

Using the given formula, the amount is found as Rs 6500

Solution:

Given that P = 5000 ; R = 10% and T = 3 years

Given formula is,

$A=P\left(1+\frac{R T}{100}\right)$

Substituting the values in given formula, we get

$\begin{array}{l}{A=5000\left(1+\frac{10 \times 3}{100}\right)} \\\\{A=5000\left(1+\frac{3}{10}\right)} \\\\ {A=5000 \times \frac{13}{10}} \\\\ {A=6500}\end{array}$

Thus the amount A = Rs 6500

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