Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
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?
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?
ক)
Tk. 400খ)
Tk. 300গ)
Tk. 250ঘ)
Tk. 200Explanation
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=250Related questions
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