Answer: Rs. 1,227.20.
Step-by-step explanation:
So, the compound interest = Rs. 5,227.20 - Rs. 4,000 = Rs. 1,227.20.
[tex]p = 4000 \: \\ n \: = 3 \: years \\ rate = \: 20\% \: \\ a = p \times (1 + \frac{r}{100} ) {}^{n} \\a = \: 4000({1} + \frac{20}{10 0} ) {}^{3} \\ a = 4000( \frac{1 \times 5}{1 \times 5} + \frac{1}{5} ) {}^{3} \\ \\ a = 4000 \times \frac{6}{5} \times \frac{6}{5} \times \frac{6}{5} \\ \\ a = 6912 \\ ci = a - p \\ ci = 6912 - 4000 \\ ci =2912 [/tex]
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Answers & Comments
Answer: Rs. 1,227.20.
Step-by-step explanation:
So, the compound interest = Rs. 5,227.20 - Rs. 4,000 = Rs. 1,227.20.
Verified answer
Step-by-step explanation:
[tex]p = 4000 \: \\ n \: = 3 \: years \\ rate = \: 20\% \: \\ a = p \times (1 + \frac{r}{100} ) {}^{n} \\a = \: 4000({1} + \frac{20}{10 0} ) {}^{3} \\ a = 4000( \frac{1 \times 5}{1 \times 5} + \frac{1}{5} ) {}^{3} \\ \\ a = 4000 \times \frac{6}{5} \times \frac{6}{5} \times \frac{6}{5} \\ \\ a = 6912 \\ ci = a - p \\ ci = 6912 - 4000 \\ ci =2912 [/tex]