The difference between the interests received from two different banks on Taka 500 for 2 years in Taka 2.5. The difference between their rates is_____.
A. 10%
B. 0.50%
C. 25%
D. 0.25%
সঠিক উত্তরঃ
D.
0.25%
Explanation:

Another Explanation (5): ```html
ব্যাখ্যার সারাংশ: সুদের হারের পার্থক্য নির্ণয় 💰
এখানে, দুটি ভিন্ন ব্যাংকে ৫০০ টাকার উপর ২ বছরের জন্য প্রাপ্ত সুদের মধ্যে পার্থক্য ২.৫ টাকা। আমাদের সুদের হারের পার্থক্য বের করতে হবে। 🤔
প্রদত্ত তথ্য:
- আসল (Principal): ৫০০ টাকা
- সময় (Time): ২ বছর
- সুদের পার্থক্য (Difference in Interest): ২.৫ টাকা
সূত্র:
আমরা জানি, সরল সুদের ক্ষেত্রে: Interest = (Principal × Rate × Time) / 100
গণনা:
ধরি, ব্যাংক দুটির সুদের হার যথাক্রমে R1 এবং R2।
তাহলে, প্রথম ব্যাংকের সুদ: (500 × R1 × 2) / 100 = 10 × R1
এবং, দ্বিতীয় ব্যাংকের সুদ: (500 × R2 × 2) / 100 = 10 × R2
প্রশ্নানুসারে, 10 × R1 - 10 × R2 = 2.5
=> 10 × (R1 - R2) = 2.5
=> R1 - R2 = 2.5 / 10 = 0.25
অতএব, সুদের হারের পার্থক্য: 0.25% ✅
ফলাফল:
দুটি ব্যাংকের সুদের হারের মধ্যে পার্থক্য 0.25%। 🎉
সারণী: তুলনামূলক বিশ্লেষণ 📊
| বিষয় | ব্যাংক ১ | ব্যাংক ২ |
|---|---|---|
| আসল | ৫০০ টাকা | ৫০০ টাকা |
| সময় | ২ বছর | ২ বছর |
| সুদের হার | R1 | R2 |
| মোট সুদ (২ বছরে) | 10 * R1 | 10 * R2 |
| সুদের পার্থক্য | 2.5 টাকা | |
| ফলাফল (সুদের হারের পার্থক্য) | ০.২৫% | |
আশা করি, ব্যাখ্যাটি বোধগম্য হয়েছে। 😊
ধন্যবাদ! 🙏
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