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If 27 : y :: y : 75, find the positive value of y.

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RPF Constable 2024 Official Paper (Held On: 09 Mar, 2025 Shift 3)
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  1. 40
  2. 45
  3. 49
  4. 53

Answer (Detailed Solution Below)

Option 2 : 45
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Detailed Solution

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Given:

27 : y :: y : 75

Formula used:

If a : b :: b : c, then b2 = a × c

Calculation:

y2 = 27 × 75

⇒ y2 = 2025

⇒ y = √2025

⇒ y = 45

∴ The correct answer is option (2).

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