Question 13
A person invested a certain amount of money at 10% annualĀ interest, compounded half-yearly. After one and a half years,Ā the interest and principal together became Rs.18522. TheĀ amount, in rupees, that the person had invested is
Correct Answer: 16000
Solution
Given,Ā
Rate of interest = 10%
Since it is compounded half-yearly, R=5%
n=3
We know, A =Ā $$P\left(1+\frac{R}{100}\right)^{^n}$$
18522 =Ā $$P\left(1+0.05\right)^3$$
=> P = 16000
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