किस वार्षिक साधारण ब्याज की दर से कोई धनराशि 16 वर्ष में तीन गुना हो जाती है?

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SSC CGL 2023 Tier-I Official Paper (Held On: 26 Jul 2023 Shift 1)
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  1. 11.5%
  2. 11%
  3. 12%
  4. 12.5%

Answer (Detailed Solution Below)

Option 4 : 12.5%
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SSC CGL Tier 1 2025 Full Test - 01
100 Qs. 200 Marks 60 Mins

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प्रयुक्त संकल्पना:

साधारण ब्याज = (P × t × r)/100, जहाँ P = मूलधन, r = दर और t = समय

गणना:

यदि कोई धनराशि P, अपने से तीन गुना होकर 3P हो जाती है, तो ब्याज = (3P - P) = 2P

(P × 16 × r)/100 = 2P

⇒ 16 × r = 200

⇒ r =  200/16

⇒ r = 12.5

∴ सही उत्तर 12.5% है

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