alleryবাৰ্ষিক 8% চক্ৰবৃদ্ধি হাৰত 2 বছৰৰ বাবে 20,000 ধাৰলৈ লোৱা হ'ল। চক্ৰবৃদ্ধি সুদ হ'ল:
A3,200
B3,456
C4,320
D3,328
Answer & Solution
Correct answer: D. 3,328
1. প্ৰথম বছৰৰ সুদ হ'ল 20000-ৰ 8 শতাংশ = 1600, গতিকে সবৃদ্ধিমূল 21600 হয়।
2. দ্বিতীয় বছৰৰ সুদ সেই নতুন সবৃদ্ধিমূলৰ ওপৰত ধাৰ্য কৰা হয়, মূল ধনৰ ওপৰত নহয়।
3. গতিকে ই হ'ল 21600-ৰ 8 শতাংশ = 1728।
4. মুঠ সুদ হ'ল 1600 + 1728 = 3328।
5. 3200 হ'ল সৰল সুদ, আৰু 128 পাৰ্থক্যটো হ'ল প্ৰথম বছৰৰ সুদৰ ওপৰত উপাৰ্জিত সুদ।
_Source: syllabus Maths, Ch 7 'Comparing Quantities', S7.4 Compound Interest_
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