खालीलपैकी कोणती परिमेय संख्या नाही?

\(\sqrt {{3^2} + {4^2}}, \sqrt {12.96}, \sqrt {125\;} {}\) आणि \(\sqrt {900} \)

This question was previously asked in
NTPC CBT-I (Held On: 5 Jan 2021 Shift 1)
View all RRB NTPC Papers >
  1. \(\sqrt {12.96} \)
  2. \(\sqrt {125} \)
  3. \(\sqrt {900} \)
  4. \(\sqrt {{3^2} + {4^2}} \)

Answer (Detailed Solution Below)

Option 2 : \(\sqrt {125} \)
Free
RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
5.5 Lakh Users
100 Questions 100 Marks 90 Mins

Detailed Solution

Download Solution PDF

गणना:

परिमेय संख्या - p/q च्या स्वरुपात असलेली संख्या 

दिलेल्या पर्यायानुसार

⇒ \(√ {{3^2} + {4^2}} \) = √25 = 5 ही परिमेय संख्या आहे

⇒ \( √ {12.96} \) = 3.6 ही परिमेय संख्या आहे

⇒ √125 = 5√5 ही परिमेय संख्या नाही

⇒ √900 = 30 ही परिमेय संख्या आहे

∴ √125 ही परिमेय संख्या नाही.

Latest RRB NTPC Updates

Last updated on Jun 11, 2025

-> RRB NTPC 2025 Exam Postponed. Railway Recruitment Board has rescheduled the RRB NTPC Exam for June 5, 2025 (Shift 3). 

-> RRB NTPC Exam Analysis 2025 is LIVE now. All the candidates appearing for the RRB NTPC Exam 2025 can check the complete exam analysis to strategize their preparation accordingly. 

-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in

-> The RRB NTPC Admit Card 2025 has been released on its official website.

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

-> The RRB NTPC CBT 1 Exam is scheduled from 5th June to 24th June 2025 as per the revised tentative exam schedule. 

-> The RRB NTPC 2025 Notification has been 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.

-> Check out the Rajasthan PTET Admit Card 2025 and UPSC Prelims Result Date 2025 here.

Get Free Access Now
Hot Links: teen patti stars rummy teen patti teen patti - 3patti cards game downloadable content teen patti 3a