Subject
Bank Exam
Topic
UCBL Bank Ltd. - Management Trainee Officer - 2017
Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the end of 2 years. She waited for another 3 years and got a final amount of Tk 300. What was the principal amount that she invested at the beginning ?
Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the end of 2 years. She waited for another 3 years and got a final amount of Tk 300. What was the principal amount that she invested at the beginning ?
ক)
200খ)
150গ)
210ঘ)
175ঙ)
250Explanation
Solution: অনুবাদঃ সরল সুদে প্রথম 2 বছরে সুদে আসলে 240 এবং পরবর্তী 3 বছরে সুদে আসলে 300 টাকা হলে আসল কত ? Basic: যদি দুটি নির্দিষ্ট বছরের সুদআসল দেয়া থাকে তবে নিচের মতো বড়টির থেকে ছোটটি বিয়োগ করলেই সুদ পেয়ে যাবেন এবং সেই মান যেকোনটিতে বসলে আসল পাবেন । (2 + 3) = 5 বছরের সুদ + আসল = 300 Tk. এবং 2 বছরের সুদ + আসল = 240 Tk ______________________________________ 3 বছরের সুদ = 60 Tk. 1 বছরের সুদ = 60/3 = 20 Tk. 2 বছরের সুদ = 20 2 = 40 Tk. আসল = সুদাসল - সুদ = 240 - 40 = 200 Tk.Related questions
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