विक्रेता द्वारा ऑफर किए गए 10%, 20% और 50% बट्टे की शृंखला के समान एकल बट्टे (छूट) का प्रतिशत है :

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Allahabad High Court Group D (Mains) Exam Official Paper (Held On: 02 Apr, 2023)
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  1. 70%
  2. 75%
  3. 60%
  4. 64%

Answer (Detailed Solution Below)

Option 4 : 64%
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दिया गया:

दी गई छूटें: 10%, 20%, और 50%

प्रयुक्त सूत्र:

एकल समतुल्य छूट = 1 - (1 - d1) × (1 - d2) × (1 - d3)

गणना:

माना d1 = 10% = 0.10

माना d2 = 20% = 0.20

माना d3 = 50% = 0.50

एकल समतुल्य छूट = 1 - (1 - 0.10) × (1 - 0.20) × (1 - 0.50)

एकल समतुल्य छूट = 1 - 0.90 × 0.80 × 0.50

एकल समतुल्य छूट = 1 - 0.90 × 0.80 × 0.50

एकल समतुल्य छूट = 1 - 0.36

एकल समतुल्य छूट = 0.64

एकल समतुल्य छूट = 64%

दी गई छूटों के समतुल्य एकल छूट 64% है।

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