CHAPTER -1 : NUMBER SYSTEM NOTES ( for Banking & SSC)

CHAPTER 1: Number System Notes – For Banking & SSC Exams

Build a rock-solid foundation in Quantitative Aptitude with these exam-focused Number System Notes, specially designed for aspirants of IBPS PO, SBI PO, SBI Clerk, RRB PO, RRB Clerk, IBPS Clerk, NICL Assistant, RRB Grade B, LIC Assistant, and SSC CHSL. This chapter-wise material breaks down one of the most scoring topics in banking and insurance exams into simple, digestible concepts with ample practice.

What's Covered

• Basics of Numbers: Types of numbers – Natural, Whole, Integers, Rational, Irrational, Prime, Composite, and Co-prime numbers with clear classifications.

• Divisibility Rules: Quick rules for 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13 and more – a must-have shortcut for eliminating wrong options in MCQs.

• LCM & HCF: Concepts, formulas, and shortcut methods to solve LCM/HCF problems in seconds – frequently asked in Clerk and PO prelims.

Key Highlights

• Exam-Oriented Approach: Every concept is aligned with the latest IBPS, SBI, RRB, and SSC exam patterns.

• Concise & Revision-Friendly: Bullet-point notes make last-minute revision quick

• Bilingual Support: Available in English, with key terms explained for easy understanding across aspirants.

Who Is It For?

This chapter-wise Number System material is ideal for:

• Freshers starting their quantitative aptitude preparation from scratch.

• Repeat aspirants looking to strengthen their calculation speed and accuracy.

• Self-study learners who want structured, exam-ready content without external coaching.

• Candidates appearing for IBPS PO/Clerk, SBI PO/Clerk, RRB PO/Clerk, NICL Assistant, RRB Grade B, LIC Assistant, and SSC CHSL.

Language: English

Format: PDF / Printed Notes (as per selected variant)

Topics in This Chapter: Number Types, Divisibility Rules, LCM & HCF, Remainder Theorem, Unit Digit, Number Series, Simplification

Start your Quant preparation the smart way – master the Number System with these concise, accurate, and exam-ready notes.