एक विक्रेता 7 नींबू ₹1 में खरीदता है। 40% लाभ प्राप्त करने के लिए उसे ₹1 में कितने नींबू बेचने होंगे?

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 1)
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  1. 6
  2. 9
  3. 5
  4. 7

Answer (Detailed Solution Below)

Option 3 : 5
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RRB NTPC Graduate Level Full Test - 01
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<p><strong>दिया गया है:</strong></p><p>7 नींबू का क्रय मूल्य = ₹1</p><p>लाभ प्रतिशत = 40%</p><p><strong>प्रयुक्त सूत्र:</strong></p><p>1 नींबू का क्रय मूल्य (C.P.) = ₹1 ÷ 7</p><p>लाभ प्रतिशत के लिए विक्रय मूल्य (S.P.) = C.P. <span>×</span> (1 + लाभ प्रतिशत)</p><p><strong>गणनाएँ:</strong></p><p>1 नींबू का क्रय मूल्य = <amp-mathml inline data-formula="\(\dfrac{1}{7}\)"></amp-mathml> ₹</p><p>40% लाभ प्राप्त करने के लिए, 1 नींबू का विक्रय मूल्य = <amp-mathml inline data-formula="\(\dfrac{1}{7} \times (1 + \dfrac{40}{100})\)"></amp-mathml></p><p>⇒ 1 नींबू का विक्रय मूल्य = <amp-mathml inline data-formula="\(\dfrac{1}{7} \times 1.4 = \dfrac{1.4}{7}\)"></amp-mathml> ₹</p><p>⇒ 1 नींबू का विक्रय मूल्य = ₹0.20</p><p>यह ज्ञात करने के लिए कि ₹1 में कितने नींबू बेचने होंगे, हम ₹1 को 1 नींबू के विक्रय मूल्य से विभाजित करते हैं:</p><p><amp-mathml inline data-formula="\(\dfrac{1}{0.20} = 5\)"></amp-mathml></p><p><strong>∴ 40% लाभ प्राप्त करने के लिए विक्रेता को ₹1 में 5 नींबू बेचने होंगे।</strong></p> - pehlivanlokantalari.com
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