Question
Find the smallest number which when increased by 10 is completely divisible by 12, 15, 18 and 20.
Asked in RRB Group D · 2025
Divisibility and Remainder · Quantitative Aptitude
Exam PYQ4 Options
Quick Revision
If a number must be divisible by both 2 and 5, simply check whether it is divisible by 10.
Correct AnswerCorrect option for this question
Learn Divisibility and Remainder in 60 Seconds
Learn smart division shortcuts that can help you calculate faster and save valuable exam time.
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 Division Tricks in Previous Exams
See how often Division Tricks has appeared in previous-year questions across major government exams.
13UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2016, 2017, 2019, 2020, 2021, 2022, 2023, 2024, 2026
11SSC Questions Asked in These Years:2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
7Railways Questions Asked in These Years:2018, 2021, 2022, 2023, 2024, 2025, 2026
12State PSC Questions Asked in These Years:2004, 2012, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Division Tricks has appeared in 43 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
2-Minute Revision Notes
Revise Divisibility and Remainder and Its Related Concepts
Strengthen key concepts with exam-focused visual notes for faster revision.
Explore More Questions
Continue practising by chapter, topic and related subjects.
One question solved. Keep going.
Continue with the next Number System question and build your accuracy one question at a time.