सूरज 7 रुपयांना 5 टॉफी या दराने टॉफी खरेदी करतो आणि 4 रुपयांना 3 टॉफी या दराने विकतो. तर, त्याचा नफा % किंवा तोटा % शोधा.

  1. (100/21)% तोटा
  2. (100/21)% नफा
  3. (100/23)% तोटा
  4. (100/23)% नफा

Answer (Detailed Solution Below)

Option 1 : (100/21)% तोटा
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RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
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Detailed Solution

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दिलेले आहे:

सूरज 7 रुपयांना 5 टॉफी या दराने टॉफी खरेदी करतो

आणि 4 रुपयांना 3 टॉफी या दराने विकतो. 

सुत्र:

नफा = SP - CP

तोटा = CP - SP

नफा% = (नफा × 100)/CP

तोटा% = (तोटा × 100)/CP

जिथे, SP = विक्री किंमत, CP = खरेदी किंमत

गणना:

टॉफीची संख्या (5, 3)चा लसावि म्हणजेच 15 मानू.

⇒ 15 टॉफीची खरेदी किंमत = 15 × (7/5) = 21 रु.

⇒ 15 टॉफीची विक्री किंमत = 15 × (4/3) = 20 रु.

⇒ तोटा = CP - SP = 21 - 20

⇒ तोटा = 1 रु.

तोटा% = (तोटा × 100)/CP

⇒ तोटा% = (1 × 100)/21

⇒ तोटा% = 100/21

∴ सूरजला (100/21)% तोटा झाला आहे.

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