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If 36 : y :: y : 9, find the positive value of y.

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RPF Constable 2024 Official Paper (Held On: 07 Mar, 2025 Shift 2)
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  1. 18
  2. 24
  3. 13
  4. 22

Answer (Detailed Solution Below)

Option 1 : 18
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Detailed Solution

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Given:

36 : y :: y : 9

Formula used:

If a : b :: b : c, then b = √(a × c)

Calculation:

y = √(36 × 9)

⇒ y = √324

⇒ y = 18

∴ The correct answer is option (1).

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