Question
What should come in place of the '?' in the given series?
5 9 20 40 67 103 ?
Asked in RRB NTPC (UG) CBT-I · 2026
Series · Logical Reasoning
Exam PYQ4 Options
Exam Tip
Look for consecutive number adjustments. For example, a subtraction pattern of −1, −2, −3, −4 or an addition pattern of +1, +2, +3, +4 may be used.
Correct AnswerCorrect option for this question
Learn Series in 60 Seconds
A quick 60-second lesson to understand addition patterns and confidently solve missing number questions.
Everything you need to learn, practice & excel — in one place.
Video-Based Study Material
PYQ-Based Quizzes
1,000+ Informative Audiobooks
300+ Full-Length Mock Tests
Daily Current Affairs
5,000+ PYQs
Questions Asked from Series in Previous Exams
See how many previous-year questions are mapped to this exact video topic across major government exams.
14UPSC Questions Asked in These Years:2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023, 2024, 2026
10SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026
14State PSC Questions Asked in These Years:2004, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
46 exam questions have been mapped to this exact video topic, with the highest frequency in UPSC, State PSC and SSC.
2-Minute Revision Notes
Revise Series and Its Related Concepts
Use the mapped visual notes for a quick concept recap.
Explore More Questions
Continue practising by chapter, topic and related subjects.
One question solved. Keep going.
Continue with the next Number Series question and build your accuracy one question at a time.