4% वार्षिक चक्रवाढ व्याजाने 2 वर्षात एक रक्कम 13,520 रुपये होते. तर मूळ रक्कम किती?

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  1. 12,250 रुपये
  2. 12,700 रुपये
  3. 12,450 रुपये
  4. 12,500 रुपये

Answer (Detailed Solution Below)

Option 4 : 12,500 रुपये
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सामान्य हिंदी सेक्शनल टेस्ट 1
37 Qs. 74 Marks 20 Mins

Detailed Solution

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दिलेल्याप्रमाणे:

दर = 4%

रक्कम = 13,520 रुपये

वापरलेले सूत्र:

चक्रवाढ व्याजासाठी,

A = P{1 + (R/100)}n

येथे,

P = मुद्दल

CI = चक्रवाढ व्याज

R = दर

n = मुदत

गणना:

A = P{1 + (R/100)}2

⇒ 13,520 = P{1 + (4/100)}2

⇒ 13,520 = P{1 + (1/25)}2

⇒ 13,520 = P(26/25)2

⇒ 13,520 = P(676/625)

⇒ P = 13,520 × (625/676)

⇒ P = 12,500

∴ मूळ रक्कम 12,500 रुपये आहे.

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