एक मेज का अंकित मूल्य ₹7,725 है, जो क्रय मूल्य से 25% अधिक है। इसे अंकित मूल्य पर 4% की छूट पर बेचा जाता है। लाभ प्रतिशत ज्ञात कीजिए।

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 2)
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  1. 19%
  2. 21%
  3. 20%
  4. 22%

Answer (Detailed Solution Below)

Option 3 : 20%
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Detailed Solution

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दिया गया है:

अंकित मूल्य (MP) = ₹7,725

क्रय मूल्य (CP) = MP / 1.25 = ₹7,725 / 1.25

छूट = MP का 4%

विक्रय मूल्य (SP) = MP - छूट

प्रयुक्त सूत्र:

लाभ प्रतिशत = \(\dfrac{SP - CP}{CP} \times 100\)

गणना:

CP = ₹7,725 / 1.25

⇒ CP = ₹6,180

छूट = ₹7,725 का 4%

⇒ छूट = ₹7,725 × 4 / 100

⇒ छूट = ₹309

SP = MP - छूट

⇒ SP = ₹7,725 - ₹309

⇒ SP = ₹7,416

लाभ प्रतिशत = \(\dfrac{SP - CP}{CP} \times 100\)

⇒ लाभ प्रतिशत = \(\dfrac{7,416 - 6,180}{6,180} \times 100\)

⇒ लाभ प्रतिशत = \(\dfrac{1,236}{6,180} \times 100\)

⇒ लाभ प्रतिशत = 20%

∴ सही उत्तर विकल्प (3) है।

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