एक म्यूजिक सेट की मूल कीमत ₹8,000 है। कीमत में 12% की कमी की जाती है और फिर 25% की वृद्धि की जाती है। इसकी नई कीमत (₹ में) क्या है?

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 09 Jun, 2025 Shift 1)
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  1. 9,300
  2. 8,300
  3. 8,800
  4. 8,100

Answer (Detailed Solution Below)

Option 3 : 8,800
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दिया गया है:

मूल कीमत = ₹8,000

कमी = 12%

वृद्धि = 25%

प्रयुक्त सूत्र:

नई कीमत = मूल कीमत x (1 - कमी%) x (1 + वृद्धि%)

गणना:

नई कीमत = 8000 x (1 - 12/100) x (1 + 25/100)

⇒ नई कीमत = 8000 x (1 - 0.12) x (1 + 0.25)

⇒ नई कीमत = 8000 x 0.88 x 1.25

⇒ नई कीमत = ₹8800

∴ सही उत्तर विकल्प (3) है।

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