9,500 টাকার মূলধন 4 বছরে 1,520 টাকা সরল সুদ দেয়। বার্ষিক সুদের হার কত?

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CRPF Constable Technical Tradesman Official Paper (Held On: 01 July, 2023 Shift 2)
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  1. 3%
  2. 4%
  3. 5%
  4. 6%

Answer (Detailed Solution Below)

Option 2 : 4%
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প্রদত্ত:

মূলধন (P) = 9,500 টাকা

সরল সুদ (SI) = 1,520 টাকা

সময় (T) = 4 বছর

ব্যবহৃত সূত্র:

সরল সুদ (SI) = (P × R × T) / 100

যেখানে P → মূলধন, R → সুদের হার, T → সময়

গণনা:

প্রশ্নানুসারে:

1,520 = (9,500 × R × 4) / 100

1,520 = 38,000R / 100

1,520 = 380R

R = 1,520 / 380

R = 4%

∴ বার্ষিক সুদের হার 4%।

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