जर 405 : y :: y : 125, आणि y > 0 असेल, तर y चे मूल्य किती?

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SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 2)
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  1. 225
  2. 205
  3. 215
  4. 235

Answer (Detailed Solution Below)

Option 1 : 225
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दिलेले आहे:

405 : y :: y : 125

वापरलेली संकल्पना:

a : b : : c : d

⇒ a/b = c/d

गणना :

 405 : y :: y : 125

⇒ 405/y = y/125

⇒ y2 = 125 × 405

⇒ y = √{25 × 5 × 81 × 5}

⇒ y = 25 × 9 = 225

∴ योग्य उत्तर 225 हे आहे.

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