allery6% চক্রবৃদ্ধি সুদে, Rule of 72 অনুসারে একটি আমানত দ্বিগুণ হতে প্রায় কত সময় লাগবে?
A10 বছর
B16 বছর
C14 বছর
D12 বছর
Answer & Solution
Correct answer: D. 12 বছর
72-কে 6 দিয়ে ভাগ করলে 12 হয়, সুতরাং আমানতটি প্রায় 12 বছরে দ্বিগুণ হয়।
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