Question
Download Solution PDF[(9)3 × (?)2 ] ÷ 21 = 1701
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
[(9)3 × (?)2] ÷ 21 = 1701
Formula used:
Use BODMAS to isolate (?)2 and solve step-by-step
Calculation:
⇒ [(9)3 × (?)2] ÷ 21 = 1701
⇒ (729 × (?)2) ÷ 21 = 1701
⇒ 729 × (?)2 = 1701 × 21
⇒ 729 × (?)2 = 35721
⇒ (?)2 = 35721 ÷ 729
⇒ (?)2 = 49
⇒ ? = √49 = 7
∴ The missing number is 7
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.