Subject
Quantitative Aptitude
Topic
Interest
A sum of money invested at compound interest amounts to Tk.800 in 3 years and to Tk.840 in 4 yeaTk. The rate of interest per annum is
A sum of money invested at compound interest amounts to Tk.800 in 3 years and to Tk.840 in 4 yeaTk. The rate of interest per annum is
ক)
2 ½%খ)
4%গ)
5%ঘ)
6.3%Explanation
Given, CI for 3 years = Tk.800 CI for 4 years = Tk.840 Therefore, CI for 3 rd year, i.e. for the principal Tk.800 = 840 -800 = Tk.40 i.e. Tk.40 is the simple interest for Tk.800 then, the rate of interest = 40 × 100/800 = 5%.Related questions
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