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What is the value of \(\frac{{P - Q}}{{P\; + \;Q}}\), if \(\frac{P}{Q} = 4?\)

  1. 5/3
  2. 3/5
  3. 3/2
  4. 2/3

Answer (Detailed Solution Below)

Option 2 : 3/5
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Detailed Solution

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Calculation:

P/Q = 4

⇒ P = 4Q

Hence, (P – Q)/(P + Q) = (4Q – Q)/(4Q + Q) = 3/5

Alternate Method

P/Q = 4 = 4/1

Take P = 4 and Q = 1

Hence, (P – Q)/(P + Q) = (4 - 1)/(4 + 1) = 3/5.

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Last updated on Jul 22, 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

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