अजय को ₹z की राशि को 40% वार्षिक चक्रवृद्धि ब्याज की दर से 3 वर्षों के लिए उधार देने पर ₹41,160 मिलते हैं। z का मान (₹ में) क्या है?

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RPF Constable 2024 Official Paper (Held On 03 Mar, 2025 Shift 1)
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  1. 15,250
  2. 15,000
  3. 15,750
  4. 15,500

Answer (Detailed Solution Below)

Option 2 : 15,000
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दिया गया है:

मिश्रधन (A) = ₹41,160

दर (r) = 40% प्रति वर्ष

समय (t) = 3 वर्ष

प्रयुक्त सूत्र:

A = P(1 + )t

जहाँ, P = मूलधन

गणना:

41,160 = P(1 + )3

⇒ 41,160 = P(1.4)3

⇒ 41,160 = P × 2.744

⇒ P =

⇒ P ≈ 15,000

∴ सही उत्तर विकल्प 2 है।

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