Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually. (2024)

Let Principal (P)=Rs. 100
then Amount(A)=Rs. 200
Period(t)=3 years.
Let R be the rate %.
Since, we have A=P(1+R100)3
Substitute given values, we get
200=100(1+R100)3
200100=(1+R100)3
32=(1+R100)
1.2599=1+R100
R100=1.25991
R=0.2599×100
R=25.99% per annum.


Find the rate at which a sum of money will double itself in 3 years, if the interest is compounded annually. (2024)
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