Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi

Question

Download Solution PDF

 Which of the following letter-number clusters will replace the question mark (?) in the
 given series to make it logically complete?
 GKO 11, IMQ 13, KOS 15, MQU 17, ?

This question was previously asked in
RRB NTPC Graduate Level CBT-I Official Paper (Held On: 06 Jun, 2025 Shift 2)
Download PDF Attempt Online
View all RRB NTPC Papers >
  1. NTZ 19
  2. NQS 21
  3.  ORT 21
  4. OSW 19

Answer (Detailed Solution Below)

Option 4 : OSW 19
Free Tests
View all Free tests >
Free
RRB NTPC Graduate Level Full Test - 01
2.4 Lakh Users
100 Questions 100 Marks 90 Mins
Start Now

Detailed Solution

Download Solution PDF

The logic followed here is,

qImage686cf41abcd09dc62de679b3

Hence, the correct answer is "Option 3".

Download Solution PDF
Latest RRB NTPC Updates

Last updated on Jul 21, 2025

-> RRB NTPC UG Exam Date 2025 released on the official website of the Railway Recruitment Board. Candidates can check the complete exam schedule in the following article. 

-> SSC Selection Post Phase 13 Admit Card 2025 has been released @ssc.gov.in

-> The RRB NTPC Admit Card CBT 1 will be released on its official website for RRB NTPC Under Graduate Exam 2025.

-> The RRB NTPC 2025 Notification released for a total of 11558 vacancies. A total of 3445 Vacancies have been announced for Undergraduate posts while a total of 8114 vacancies are announced for Graduate-level posts in the Non-Technical Popular Categories (NTPC).

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

-> UGC NET June 2025 Result has been released by NTA on its official site

‹‹ Previous Ques
Next Ques ››

More Mixed Series Questions

Q1.Find the next term in the given series. W29, P34, I39, B44, ?
Q2.What will be written in the place of question mark in the given series? C3F6M13O15?14
Q3.Which of the following terms will replace the question mark (?) in the given series to make it logically complete? RCM 15, WHH 25, BMC 35, GRX 45, ?
Q4.Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? HDX 7, MIC 16, RNH 34, WSM 70, BXR 142, ?
Q5.Which of the following will come in place of the question mark (?) in the following sequence? 16D7, 18G10, 21K14, 25P19, ?
Q6.Which number should replace the question mark (?) in the series below? 15, 21, 27, 33, 39, ?
Q7.What should replace the question mark (?) to complete the given sequence in a logical manner? ZY25, SR36, LK49,?
Q8.What should replace the question mark (?) to complete the given sequence in a logical manner? POM25, TMP36, XKS49, BIV64, ?
Q9.What should replace the question mark (?) to complete the given sequence in a logical manner? DJ24 GM29 JP39 MS54 ?
Q10.What should replace the question mark (?) to complete the given sequence in a logical manner? GA2, ID3, KG5, MJ7, ?

More Series Questions

Q1.Find the next number in the series. 6, 12, 18, 36, 54, 108, ?
Q2.Find the next number in the series. 24, 36, 60, 84, 132, 156, ?
Q3.Which one of the following images numbered as (1), (2), (3), (4) will be the next image for the given series?
Q4.Find the next number in the series. 675, 580, 471, 348, 211, ?
Q5.Find the next number in the series. 3, 4, 10, 33, 136, ?
Q6.Find the next term in given series. RETIREMENT, TIREME, ETIREMEN, IREM, ? 
Q7.Find the next term in the given series. W29, P34, I39, B44, ?
Q8.Find out the wrong number in the given series: 5, 27, 61, 122, 213, 340, 509
Q9.Select the number that can come in place of the question mark (?) in the following series : 1, 1, 2, 3, 7, 22, ?
Q10.Select the option figure that will complete the series of question figure:
Suggested Test Series
View All >
RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2)
2341 Total Tests with 3 Free Tests
Start Free Test
Current Affairs (CA) 2025 Mega Pack for SSC/Railways/State Exam Mock Test
431 Total Tests with   1 Free Tests
Start Free Test

More Logical Reasoning Questions

Q1.If it is possible to make only one four-letter meaningful word with the first, third, fourth, and eighth letter of the word ‘ABNORMALITY’, which could be the second letter of the word from the left end? If more than one such word can be formed, give ‘X’ as the answer. If no such word can be formed, give ‘Z’ as your answer.
Q2.How many boys are there between Q and T?
Q3.How many boys are lighter than U?
Q4.Find the next number in the series. 6, 12, 18, 36, 54, 108, ?
Q5.Find the next number in the series. 24, 36, 60, 84, 132, 156, ?
Q6.Find the odd image out in the given series.
Q7.How many squares are there in the given figure?
Q8.A man starts from point A and walks 5km towards East. He turns right and walks 4km; turns right again and walks 3km. He then takes another right and walks 6km. He walks 6km towards East; turns right and walks 2km and turns left and walks 1km to reach B. How far is A from B?
Q9.Replace the question mark with an option that follows the same logic applied in the first pair. 29 : 18 :: 39 : ?
Q10.A girl is facing North direction. If she turns 59 degrees in clockwise direction and 31 degrees in the same direction, which direction will she face now?
Exams
Cut Off
Eligibility
Coaching
Previous Year Papers
Syllabus
Test Series
Important Exams
Super Coaching
Testbook USA SAT Exam
Testbook USA ACT Exam
US College Admissions Guide
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti 50 bonus teen patti star apk teen patti sequence teen patti real cash withdrawal teen patti gold real cash