Question 185

A certain sum will amount to 12,100 in 2 years at 10% per annum of compound interest, interest being compounded annually. The sum is

Solution

Let the sum = $$x$$

rate = 10% and time = 2 years

Amount after compound interest = $$x (1 + \frac{10}{100})^{2}$$ = 12100

=> $$\frac{121x}{100}$$ = 12100

=> $$x$$ = 10,000


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