Question
A 6-digit number 648XYZ is divisible by 4, 9 and 10. Find the value of X + Z – Y , where Y is the smallest possible number.
Asked in RRB Group D · 2026
Divisibility and Remainder · Quantitative Aptitude
Exam PYQ4 Options
Quick Revision
If the divisor is a power of 10 such as 10, 100, or 1000, check the required number of trailing zeros.
Correct AnswerCorrect option for this question
Learn Divisibility and Remainder in 60 Seconds
Master simple division tricks and make lengthy calculations easier to handle in exams.
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.