3.5 × 2.4 × ? = 42

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

Answer (Detailed Solution Below)

Option 3 : 5
Free
CSIR JSA General Awareness Mock Test
8.4 K Users
20 Questions 60 Marks 12 Mins

Detailed Solution

Download Solution PDF

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).

Latest CSIR Junior Secretariat Assistant Updates

Last updated on Jun 24, 2025

-> The CSIR Junior Secretariat Assistant 2025 has been released for 9 vacancies.

-> Candidates can apply online from 17th June to 7th July 2025.  

-> The CSIR JSA salary ranges from INR 19,900 - INR 63,200 (Indian Institute of Petroleum, Dehradun & Institute of Microbial Technology) 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.

Get Free Access Now
Hot Links: teen patti master app teen patti download apk teen patti master download