एक बेईमान दुकानदार आपल्या मालाची किंमत खरेदी किमतीवर विकतो असे भासवतो, परंतु खोटे वजन वापरतो आणि नफा मिळवतो. 1 किलो वजनासाठी तो वापरतो:

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RRB Technician Grade III Official Paper (Held On: 29 Dec, 2024 Shift 1)
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  1. 900 ग्रॅम वजन
  2. 850 ग्रॅम वजन
  3. 950 ग्रॅम वजन
  4. 875 ग्रॅम वजन

Answer (Detailed Solution Below)

Option 1 : 900 ग्रॅम वजन
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General Science for All Railway Exams Mock Test
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Detailed Solution

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दिलेल्याप्रमाणे:

नफा टक्केवारी = =

वापरलेले सूत्र:

नफा % = (त्रुटी / (खरे मूल्य - त्रुटी)) × 100

गणना:

= (त्रुटी / (1000 - त्रुटी)) × 100

= त्रुटी / (1000 - त्रुटी)

1000 - त्रुटी = 9 × त्रुटी

 1000 = 10 × त्रुटी

⇒ त्रुटी = 100

खरे मूल्य - त्रुटी = 1000 - 100 = 900

∴ तो 1000 ग्रॅमऐवजी 900 ग्रॅम वापरतो.

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