Question
Download Solution PDFসুদ বার্ষিকভাবে চক্রবৃদ্ধি হলে 2 বছরে ₹4,800 পরিমাণ ₹5,043 হলে বার্ষিক সুদের হার কত?
This question was previously asked in
RPF Constable 2024 Official Paper (Held On: 02 Mar, 2025 Shift 1)
Answer (Detailed Solution Below)
Option 3 : 2.5%
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Detailed Solution
Download Solution PDFপ্রদত্ত:
মূলধন = 4800 টাকা
সুদ আসল = 5043 টাকা
সময় = 2 বছর
ব্যবহৃত সূত্র:
A = P(1 + r/100)t
গণনা:
প্রশ্ন অনুযায়ী
A = P(1 + r/100)t
⇒ 5043 = 4800 × (1 + r/100)2
⇒ (1 + r/100)2 = (5043/4800)
⇒ (1 + r/100)2 = (1681/1600)
⇒ (1 + r/100)2 = (41/40)2
⇒ (100 + r)/100 = 41/40
⇒ (100 + r)/5 = 41/2
⇒ 200 + 2r = 205
⇒ 2r = (205 – 200)
⇒ 2r = 5
⇒ r = 2.5%
∴ সঠিক উত্তর হল বিকল্প (3)।
Last updated on Jun 21, 2025
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