एक स्कूटर की कीमत क्रमशः 10%, 5% और 15% बढ़ जाती है। स्कूटर की कीमत में कुल कितने प्रतिशत की वृद्धि हुई है?

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SSC CGL 2022 Tier-I Official Paper (Held On : 01 Dec 2022 Shift 2)
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  1. \(32 \frac{33}{40} \%\)
  2. \(34 \frac{21}{40} \%\)
  3. \(30 \frac{11}{40} \%\)
  4. \(36 \frac{31}{40} \%\)

Answer (Detailed Solution Below)

Option 1 : \(32 \frac{33}{40} \%\)
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Detailed Solution

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दिया गया है:

एक स्कूटर की कीमत क्रमशः 10%, 5% और 15% बढ़ जाती है।

प्रयुक्त अवधारणा:

A% और B% की लगातार दो वृद्धि के बाद अंतिम प्रतिशत परिवर्तन = \((A + B + {AB \over 100})\%\)

गणना:

परिणामी वृद्धि% = 10 + 5 + (10 × 5)/100 = 15.5%

कुल वृद्धि% = 15.5 + 15 + (15.5 × 15)/100 = \(32 \frac{33}{40} \%\)

∴ स्कूटर की कीमत में कुल प्रतिशत वृद्धि \(32 \frac{33}{40} \%\) है।

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