एक दुकानदार फल खरीदने और बेचने में कम तौल का उपयोग करके 12% तक बेईमानी करता है, तो उसका कुल लाभ प्रतिशत है :

A. 25.25

B. 27.27

C. 25.75

D. 25.5   

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  1. B
  2. A
  3. C
  4. D

Answer (Detailed Solution Below)

Option 1 : B
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Detailed Solution

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दिया गया है:

खरीदते और बेचते समय बेईमानी का प्रतिशत = 12%

प्रयुक्त सूत्र:

लाभ% = [(S.P - C.P)/C.P × 100]

जहाँ S.P = विक्रय मूल्य, C.P = क्रय मूल्य

गणना:

दुकानदार ने बेईमानी करके 100 ग्राम की जगह 112 ग्राम का सामान खरीदा। 

और वह 100 ग्राम की जगह 88 ग्राम बेचता है। 

प्रश्न के अनुसार

SP/CP = (112 × 100)/(100 × 88)

⇒ 14/11

लाभ = SP - CP

⇒ 14 - 11 = 3

लाभ प्रतिशत = (3/11) × 100%

⇒ 27.27%

∴ दुकानदार को 27.27% लाभ हुआ।

 

खरीदते और बेचते समय दुकानदार भार में 12% की बेईमानी करता है। 

दुकानदार के लिए क्रय मूल्य = [100 × (100 - 12)]/100

⇒ 88

दुकानदार के लिए विक्रय मूल्य = [100 × (100 + 12)]/100

⇒ 112

लाभ % = [(S.P - C.P)/C.P] × 100% 

⇒ [(112 - 88)/88] × 100%

⇒ (24/88) × 100%

⇒ 27.27%

∴ दुकानदार को 27.27% लाभ हुआ।

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