An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially?
Solution
Correct Answer: Option C
মনে করি ,
আসল p =টাকা
এখানে ,r =100%
n=2
প্রশ্নমতে ,
C-P=52.50
বা, P(1+r/100)ⁿ-P=52.50
বা,P(1+10/100)² -P=52.50
বা, P(1+1/10)²-P=52.50
বা,P× (1.1)²-P=52.50
বা,P×1.21-P=52.50
বা, P× (1.21-1)=52.50
বা,P=52.50/0.21
বা,P=250
আসল p =টাকা
এখানে ,r =100%
n=2
প্রশ্নমতে ,
C-P=52.50
বা, P(1+r/100)ⁿ-P=52.50
বা,P(1+10/100)² -P=52.50
বা, P(1+1/10)²-P=52.50
বা,P× (1.1)²-P=52.50
বা,P×1.21-P=52.50
বা, P× (1.21-1)=52.50
বা,P=52.50/0.21
বা,P=250
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