alleryRule of 72 অনুসারে, 8% চক্রবৃদ্ধি সুদে কোনো অর্থ প্রায় কত বছরে দ্বিগুণ হবে?
A9 বছর
B8 বছর
C6 বছর
D12 বছর
Answer & Solution
Correct answer: A. 9 বছর
72-কে 8 সুদের হার দিয়ে ভাগ করলে অর্থ দ্বিগুণ হওয়ার জন্য 9 বছর পাওয়া যায়।
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