निम्नलिखित संख्या श्रेणी में प्रश्नवाचक चिह्न (?) के स्थान पर क्या आना चाहिए?
8 20 50 125 ? 781.25

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CSIR-CLRI JSA 2024 Official Paper-I (Held On: 16 Feb, 2025)
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  1. 300
  2. 295.5
  3. 315
  4. 312.5

Answer (Detailed Solution Below)

Option 4 : 312.5
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यहाँ अनुसरित तर्क निम्न है:

qImage67f61f68f05a1040597ca66b

इस प्रकार, श्रेणी में लुप्त संख्या '312.5' है।

अतः, सही उत्तर "विकल्प 4" है।

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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.

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