যদি 27 এবং n-এর লঘিষ্ঠ সাধারণ গুণিতক (ল.সা.গু) 54 হয় এবং গরিষ্ঠ সাধারণ গুণনীয়ক (গ.সা.গু) 9 হয়, তাহলে n-এর মান নির্ণয় করুন।

This question was previously asked in
RRB Group D Previous Year Paper (Held on: 26 Aug 2022 Shift 2)
View all RRB Group D Papers >
  1. 36
  2. 54
  3. 24
  4. 18

Answer (Detailed Solution Below)

Option 4 : 18
Free
RRB Group D Full Test 1
3 Lakh Users
100 Questions 100 Marks 90 Mins

Detailed Solution

Download Solution PDF

প্রদত্ত:

(27, n) এর ল.সা.গু = 54

(27, n) এর গ.সা.গু = 9

অনুসৃত সূত্র:

ল.সা.গু(a, b) x গ.সা.গু(a, b) = a x b

গণনা:

ল.সা.গু(27, n) x গ.সা.গু(27, n) = 27 x n

54 x 9 = 27 x n

⇒ 486 = 27 x n

⇒ n = 486 ÷ 27

⇒ n = 18

∴ সঠিক উত্তরটি বিকল্প (4) 

Latest RRB Group D Updates

Last updated on Jun 2, 2025

-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.

-> The RRB Group D Exam Date will be soon announce on the official website. Candidates can check it through here about the exam schedule, admit card, shift timings, exam patten and many more.

-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025. 

-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.

-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a National Apprenticeship Certificate (NAC) granted by the NCVT.

-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.

-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.

-> Prepare for the exam with RRB Group D Previous Year Papers.

More LCM and HCF Questions

Get Free Access Now
Hot Links: teen patti 500 bonus teen patti 51 bonus teen patti palace teen patti casino