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Find the mean proportional between 25 and 81.

This question was previously asked in
SSC CHSL Exam 2024 Tier-I Official Paper (Held On: 08 Jul, 2024 Shift 3)
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  1. 81
  2. 36
  3. 45
  4. 12

Answer (Detailed Solution Below)

Option 3 : 45
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Detailed Solution

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Given:

The numbers are 25 and 81.

Formula used:

Mean proportional = √(first number × second number)

Calculation:

Mean proportional = √(25 × 81)

⇒ Mean proportional = √2025

⇒ Mean proportional = 45

∴ The mean proportional between 25 and 81 is 45.

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Latest SSC CHSL Updates

Last updated on Jul 23, 2025

-> The Staff selection commission has released the SSC CHSL Notification 2025 on its official website.

-> The SSC CHSL New Application Correction Window has been announced. As per the notice, the SCS CHSL Application Correction Window will now be from 25.07.2025 to 26.07.2025.   

-> The SSC CHSL is conducted to recruit candidates for various posts such as Postal Assistant, Lower Divisional Clerks, Court Clerk, Sorting Assistants, Data Entry Operators, etc. under the Central Government. 

-> The SSC CHSL Selection Process consists of a Computer Based Exam (Tier I & Tier II).

-> To enhance your preparation for the exam, practice important questions from SSC CHSL Previous Year Papers. Also, attempt SSC CHSL Mock Test.  

->UGC NET Final Asnwer Key 2025 June has been released by NTA on its official site

->HPTET Answer Key 2025 has been released on its official site

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