वह कौन सी संख्या है जिसे 49 ∶ 68 के अनुपात के प्रत्येक पद में जोड़ा जाना है, ताकि वह 3 ∶ 4 हो जाये? 

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Territorial Army Official Paper I (Conducted on 25 Sep 2022)
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  1. 3
  2. 5
  3. 8
  4. 9

Answer (Detailed Solution Below)

Option 3 : 8
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दिया गया है:

वह संख्या जिसे 49 ∶ 68 के अनुपात के प्रत्येक पद में जोड़ा जाना है

गणना:

माना कि संख्या x है

प्रश्नानुसार

⇒  = 

⇒ 196 + 4x = 204 + 3x

⇒ x = 8

∴ अभीष्ट संख्या 8 है। 

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