KEY FACTS

Access Validity: 100 Days

Category: Digital Learning Products

Product Type: Reading-Based

Language: Hinglish

Format: Web App

Access Platform: Available exclusively through the official QueDoc Store.

Downloads: Not Available. Products can only be accessed online through the store.

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HOW BANKERS CALCULATE NUMBERS VERBALLY

Understand the Thinking Behind Calculations.

Go beyond memorised shortcuts. Understand the logic. Recognise the patterns.

How Bankers Calculate Numbers Verbally is an interactive calculation e-book designed for banking-exam aspirants who want to understand calculation methods, learn them step by step and revise efficiently.

Whether you are building your foundation, revisiting familiar methods or preparing for another attempt, this resource brings essential calculation concepts, worked examples and dedicated practice material together in one organised place.

01. WHO IS THIS BOOK FOR?

BEGINNERS — Build Your Foundation

Start from the fundamentals, including place value, carry and borrow, and gradually explore multiplication, division, fractions, percentages, powers and roots.

INTERMEDIATE LEARNERS — Strengthen Your Understanding

Revisit familiar concepts, clarify calculation methods and understand how to apply them while solving questions.

REPEATERS — Make Revision More Efficient

Avoid replaying long lectures every time you need to revise a familiar concept. Use an organised study resource to refresh methods and revisit worked solutions.

With each revision, familiar topics may take less time to review, leaving more time for areas that need additional attention.

Regular repetition and practice help reinforce what you have learned. This e-book is designed to support both knowledge gain and knowledge retention.

02. WHAT WILL YOU LEARN?

Explore a wide range of calculation methods and mathematical concepts, organised for systematic learning.

ARITHMETIC FUNDAMENTALS

• Mental Addition and Subtraction
• Carry, Borrow and Place Value

MULTIPLICATION METHODS

• Multiplication by 11, 5, 25, 125 and 75
• Even Gap Method
• Number-Splitting Method
• Factor-Based Method
• Half-and-Double Method

SQUARES, CUBES & ROOTS

• Squares and Square Roots
• Cubes and Cube Roots
• Three-Digit Squares

MATHEMATICAL CONCEPTS

• BODMAS
• Fractions and Decimals
• Percentages
• Surds and Indices
• Algebraic Identities
• Recurring Decimals
• Series-Sum Formulas

ADVANCED CALCULATION TECHNIQUES

• Simplification and Approximation
• Last-Digit Checking
• Digital Roots
• Divisibility Rules
• Base Method
• Cross Method
• Large Division

SELECTED APPLICATIONS

The book also includes calculation applications in:

• Ratio
• Average and Weighted Average
• Alligation
• Data Interpretation
• Number Series
• Quadratic Equations

These are selected calculation applications, not complete courses in the respective subjects.

03. 100 STEP-BY-STEP WORKED EXAMPLES

Understanding a method becomes easier when you see how it works in actual calculations.

This e-book includes 100 worked examples, divided into two difficulty categories:

• 50 Easy Examples
• 50 Moderate Examples

Examples cover calculations involving:

• Addition and Subtraction
• Multiplication and Division
• Decimals and Percentages
• Fractions
• Roots and Powers
• Squares and Cubes
• Missing Values

STEP-BY-STEP SOLUTIONS

Each solution breaks the calculation into manageable steps and explains the working, helping you understand the method rather than simply memorising the final answer.

04. TWO DEDICATED PRACTICE LABS

Move beyond reading and apply the methods through dedicated practice sections.

LAB 1 — SPEED CALCULATION PRACTICE

• Speed calculations
• Percentage practice
• Missing-number questions
• Suggested target: 20 Questions in 20 Minutes

LAB 2 — CONCEPT APPLICATION & REVISION

• Fractions
• Roots and Powers
• Algebra
• Exam-day guidance
• Suggested Seven-Day Revision Plan

These practice labs are designed to help you apply the concepts and build a regular calculation practice routine.

05. QUICK REVISION CHEAT SHEET

Important mathematical references collected in one place for convenient revision.

INCLUDED REFERENCES

• Squares from 1 to 30
• Cubes from 1 to 20
• Tables from 11 to 25
• Percentage, Fraction and Decimal Conversions
• Important Calculation Rules and Formulas
• Common Calculation Mistakes

ADDITIONAL PRACTICE

Also includes two mixed timed practice rounds, with 15 questions in each round.

06. PRODUCT DETAILS

Chapters: 27

Organised Parts: 8

Worked Examples: 100

Practice Labs: 2

Study Language: Roman Hinglish

Format: Interactive HTML Study Book

07. HOW TO USE THIS RESOURCE

Use the e-book according to your preparation needs:

• Learn new calculation methods and understand their underlying logic.
• Revisit familiar concepts whenever you need revision.
• Follow the worked examples to understand step-by-step solutions.
• Apply your learning through the two dedicated practice labs.
• Use the cheat sheet to revise important mathematical references.
• Revisit difficult topics at your own pace.

PLEASE NOTE

This is a calculation-focused learning resource, not a complete Quantitative Aptitude course.

It is an independent study resource and is not affiliated with any bank or examination-conducting body.

UNDERSTAND THE LOGIC. RECOGNISE THE PATTERN. CALCULATE WITH CLARITY.

Build your calculation foundation through organised concepts, practical examples and structured revision.

HOW BANKERS CALCULATE NUMBERS VERBALLY

A QueDoc Learning Resource.

QueDoc — Prepare like an Officer.