Скачать или смотреть LAST TWO DIGITS |PART 1| | Number System | SSC Selection Series | Maths by Harish Dubey Sir

LAST TWO DIGITS | Number System | SSC Selection Series | Maths by Harish Dubey Sir

Are you preparing for SSC Selection Posts, SSC CGL, CHSL, CPO, MTS, GD Constable, Railway Exams, Banking, or State-level Competitive Exams? Then mastering Digital Sum is a must! In this detailed session of the SSC Selection Series, Harish Dubey Sir explains the concept of Digital Sum (also known as Digit Root or Casting Out Nines) in the simplest way possible, so that you can solve tricky number system questions within seconds.
The Digital Sum technique is a time-saving shortcut in mathematics that helps you quickly check divisibility, verify calculations, and solve number-based problems in competitive exams. Many SSC and Railway exams include direct or indirect questions related to Digital Sum, making this concept extremely important for aspirants.
🔑What You’ll Learn in this Session:
Meaning and concept of Unit Digit.
How to calculate Unit Digit step by step.
Application of Unit Digit in solving Number System questions.
Short tricks and exam-oriented methods to save time.
Practice questions from SSC Previous Year Papers.
Smart ways to verify answers using Digital Sum.
📘Why This Topic is Important for SSC Exams?
Unit Digit is often used in:
Unit Digit (especially by 9 and 11).
Simplifying large numbers without full calculation.
Checking correctness of arithmetic operations (addition, subtraction, multiplication).
Fast calculation in exams where time is limited.
By mastering this topic, you can improve both speed and accuracy, which are crucial for clearing competitive exams with high scores.
👨‍🏫About Your Mentor – Harish Dubey Sir
With years of teaching experience and deep knowledge of competitive exam mathematics, Harish Dubey Sir is known for his student-friendly teaching style and unique problem-solving tricks. His SSC Selection Series is designed to cover every important topic step by step, ensuring that students build strong fundamentals while learning exam-oriented shortcuts.
✨Who Should Watch This Video?
SSC CGL/CHSL/MTS/Selection Post aspirants.
Railway Group D, NTPC, ALP, JE candidates.
Banking exam aspirants (IBPS, SBI, RRB).
State-level competitive exam students.
Anyone who wants to strengthen their Number System basics.
📌SSC Selection Series Playlist:
Don’t forget to check out the complete SSC Selection Series playlist where Harish Dubey Sir covers all important chapters of Mathematics such as Simplification, Number System, Algebra, Geometry, Trigonometry, and more in detail.
💡Tips for Aspirants:
1.Watch the complete video without skipping to understand the concept properly.
2.Practice the examples taught in the class to strengthen your basics.
3.Revise regularly and apply the Digital Sum trick in different types of questions.
4.Attempt previous year questions to see how frequently this topic appears in exams.
📣 Stay connected with us for more such high-quality free sessions on SSC, Railway, Banking, and State exams.
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