দুটি সংখ্যার লসাগু হল তাদের গসাগু-র 40 গুণ। যদি সংখ্যা দুটির গুণফল হয় 1440, তাহলে তাদের গসাগু নির্ণয় করুন।

This question was previously asked in
NTPC CBT 2 2016 Previous Paper 5 (Held On: 18 Jan 2017 Shift 2)
View all RRB NTPC Papers >
  1. 6
  2. 12
  3. 15
  4. 8

Answer (Detailed Solution Below)

Option 1 : 6
Free
RRB Exams (Railway) Biology (Cell) Mock Test
10 Qs. 10 Marks 7 Mins

Detailed Solution

Download Solution PDF

Given:

লসাগু = গসাগু-র 40 গুণ

সংখ্যা দুটির গুণফল হল 1440

Formula used:

লসাগু × গসাগু = সংখ্যা দুটির গুণফল

Calculation:

ধরা যাক সংখ্যার গসাগু হল 'H'

⇒ লসাগু = 40H

এখন, লসাগু × গসাগু = সংখ্যা দুটির গুণফল

⇒ 40H × H = 1440

⇒ H2 = 1440/40 = 36

⇒ H = 6

∴ গসাগু = 6

Latest RRB NTPC Updates

Last updated on Jul 5, 2025

-> RRB NTPC Under Graduate Exam Date 2025 has been released on the official website of the Railway Recruitment Board. 

-> The RRB NTPC Admit Card will be released on its official website for RRB NTPC Under Graduate Exam 2025.

-> Candidates who will appear for the RRB NTPC Exam can check their RRB NTPC Time Table 2025 from here. 

-> The RRB NTPC 2025 Notification released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts like Commercial Cum Ticket Clerk, Accounts Clerk Cum Typist, Junior Clerk cum Typist & Trains Clerk.

-> A total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC) such as Junior Clerk cum Typist, Accounts Clerk cum Typist, Station Master, etc.

-> Prepare for the exam using RRB NTPC Previous Year Papers.

-> Get detailed subject-wise UGC NET Exam Analysis 2025 and UGC NET Question Paper 2025 for shift 1 (25 June) here

More LCM and HCF Questions

Hot Links: teen patti gold downloadable content rummy teen patti teen patti master golden india