क़मर ने उपयोग किए गए स्टीरियो की पुनर्बिक्री पर 12.5% कमाया। यदि उसने स्टीरियो ₹ 1680 का खरीदा था तो उसने इसे कितने में बेचा? 

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RRB ALP CBT I 30 Aug 2018 Shift 3 Official Paper
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  1. ₹1,900 
  2. ₹1,890 
  3. ₹1,880 
  4. ₹1,910

Answer (Detailed Solution Below)

Option 2 : ₹1,890 
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दिया गया है:

उपयोग किए गए स्टीरियो को दोबारा बेचने पर क़मर को 125 रुपये का लाभ प्राप्त होता है

वह वस्तु को 1680 रुपये में खरीदता है

प्रयुक्त अवधारणा:

विक्रय मूल्य = क्रय मूल्य × (1 + लाभ%)

गणना:

स्टीरियो का विक्रय मूल्य = 1680 × (1 + 12.5%) = 1,890 रुपये

∴ वह इसे 1890 रुपये में बेचता है

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