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3.5 × 2.4 × ? = 42

This question was previously asked in
CSIR-CLRI JSA 2024 Official Paper-I (Held On: 16 Feb, 2025)
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  1. 1.5
  2. 3
  3. 5
  4. 7

Answer (Detailed Solution Below)

Option 3 : 5
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Detailed Solution

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Given:

3.5 × 2.4 × ? = 42

Formula used:

To find the unknown value (?), we use the formula:

3.5 × 2.4 × ? = 42

Calculation:

3.5 × 2.4 × ? = 42

⇒ ? = 42 / (3.5 × 2.4)

⇒ ? = 42 / 8.4

⇒ ? = 5

∴ The correct answer is option (3).

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Latest CSIR Junior Secretariat Assistant Updates

Last updated on May 21, 2025

->The CSIR Junior Secretariat Assistant Provisional Response Sheet has been released on 21st May 2025 at the official website.

-> The CSIR Junior Secretariat Assistant Notification 2025 written examination dates has been released for Advt No. CRRI/02/PC/JSA-JST/2025.

-> Candidates had applied online from 22nd March to 21st April 2025.  

-> The CSIR JSA salary ranges from INR 19,900 - INR 63,200 (Indian Institute of Petroleum, Dehradun) and INR 35,600 (Indian Institute of Toxicology Research).

-> The selection of candidates for this post will be based on a Written Exam, followed by a Computer Typing Test.

-> Prepare for the exam with CSIR Junior Secretariat Assistant Previous Year Papers.

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