DISTRICT CO-OPERATIVE BANK ASSISTANT MANAGER AND STAFF ASSISTANTS / CLERKS RECRUITMENT EXAM Study Materials 

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NUMERICAL ABILITY

Contents

1.     Basic Tips For Calculation

2.     Arithmetic

2.1 Number System

2.1.1 Introduction

2.1.2 Classification of Numbers

2.1.3 Classification of Natural Numbers

2.1.4 Properties of Rational and Irrational Numbers

2.1.5 Some important results on Numbers

2.1.6 Tests of Divisibility

2.1.7 Modulus of a Real number

2.2 HCF and LCM                                                                                                               

2.2.1 Factors and multiples

2.2.2 Common factors

2.2.3 Highest Common factor (HCF)

2.2.3.1 Prime factorization method

2.2.3.2 Division method

2.2.3.3 HCF of Decimals

2.2.3.4 HCF of vulgar fractions

2.2.4 Least Common multiple (LCM)

2.2.4.1 Prime factorization method

2.2.4.2 Common Division method

2.2.4.3 LCM of Decimals

2.2.4.4 LCM of Fractions

2.2.5 Relation between HCF and LCM

2.2.6 Comparison of fractions using LCM

2.3 Simplification

2.3.1 VBODMAS Rule

2.3.2 Basic arithmetic operations and symbols

2.3.3 Short cut methods for basic operations

2.3.3.1 Short cuts in Addition

2.3.3.2 Short cuts in Subtraction

2.3.3.3 Short-cuts in Multiplication

2.3.3.4 Short cuts in Division

2.3.4 Some algebraic formulae for Simplification

2.4 Approximation

2.4.1 Addition and subtraction

2.4.2 Multiplication

2.4.3 Division

2.5 Ratio and Proportion

2.5.1 Definition and basic concepts

2.5.2 Ratio between more than two quantities

2.5.3 Compound ratio

2.5.4 Comparison of ratios

2.5.5 Proportion

2.5.6 Types of Proportion

2.5.7 Some specific cases

2.6 Average

2.6.1 Definition

2.6.2 Weighted average

2.6.3 Specific cases of average

2.6.3.1 Average speed

2.6.3.2 Average of Series of Numbers

2.6.3.3 Miscellaneous cases

2.7 Additional Topics in Arithmetic

2.7.1 Problems on Trains                       

2.7.1.1 Basic concepts

2.7.1.2 Specific cases

2.7.1.2.1 Train moving past a stationary point object

2.7.1.2.2 Train moving past a stationary lengthy object      

2.7.1.2.3 Train moving past a moving point object

2.7.1.2.4 Train moving past a moving lengthy object

2.7.2 Unitary Method

2.7.2.1 Time and Distance

2.7.2.1.1 Basic definitions and concepts

2.7.2.1.2 Formulae for specific cases

2.7.2.2 Time and Work

2.7.2.2.1 Basic concepts

2.7.2.2.2 Formulae for specific cases

2.7.2.3 Pipes and Cisterns

2.7.2.3.1 Basic concepts

2.7.2.3.2 Basic principles

2.7.2.3.3 Specific cases and formulae

2.7.2.4 Boat and Streams

2.7.2.4.1 Basic concepts

2.7.2.4.2 Specific cases

3.     Commercial Maths 

3.1 Interest

3.1.1 Simple Interest

3.1.1.1 Basic definitions and concepts

3.1.1.2 Some specific cases

3.1.2 Compound Interest

3.1.2.1 Basic definitions and concepts

3.1.2.2 Compounding for different time periods and rates

3.1.2.3 Some specific cases

3.1.2.4 Cases relating Simple and Compound interest

3.2 Percentage

3.2.1 Definition

3.2.2 Conversion between Percent, fraction and decimal

3.2.3 Specific cases of Percentage

3.2.3.1 Percent relationship between quantities

3.2.3.2 Examinations and marks

3.2.3.3 Geometry

3.2.3.4 Depreciation

3.2.3.5 Population growth

3.2.3.6 Price and consumption

3.3 Profit and Loss

3.3.1 Definition

3.3.2 Rule of fraction

3.3.3 Specific cases of Profit and Loss

3.3.3.1 Relation between Cost price and selling price

3.3.3.2 Using false weights

3.3.3.3 Discounts

3.3.3.4 Multiple transactions

3.4 Partnership

3.4.1 Basic concepts

3.4.2 Basic principle of profit sharing

3.4.2.1 Simple partnership

3.4.2.3 Compound partnership

3.4.3 Specific cases 

4.      Series 

4.1 Definition

4.2 Types of Series

4.2.1 Arithmetic Series

4.2.2 Geometric Series

4.2.3 Series of squares and cubes

4.2.4 Mixed series

4.2.5 Two tier Arithmetic series

4.2.6 Three tier Arithmetic series

4.2.7 Arithmetico-Geometric series

4.2.8 Geometrico-Arithmetic series

4.2.9 Twin series    

4.3 Suggested steps for solving series problems

4.4 Different types of problems on Series

4.4.1 Finding the next term

4.4.2 Finding wrong/missing number

4.4.3 Two line number series

4.5 Some unique series

                           GENERAL MENTAL ABILITY

Contents

1.     VERBAL TESTS 

1.1              Reasoning Tests

1.1.1       Direction and Distance Test

1.1.2       Classification (Odd Man Out) Test

1.1.3       Coding-Decoding Tests

1.1.4       Series Test

1.1.5       Relationships Test

1.1.5.1 Blood Relationships Test

1.1.5.2 Coded Relationships Tests

1.1.6       Alphabet Test

1.1.7       Number, Ranking and Time Sequence Test

1.1.8       Mathematical Operations

1.1.9       Logical Word Sequence Test

1.1.10   Cubes and Cubical Dice Tests

1.1.11   Data Arrangement Test

1.1.12   Data Sufficiency Test

1.2              Logic Tests

1.2.1 Syllogism

1.2.2 Statements Conclusions

1.2.2.1 Coded Inequality

2.     NON VERBAL TESTS 

2.1              Problems Based On Symmetry

2.1.1       Problems On Mirror Images

2.1.2       Problems On Water Images

2.1.3       Completion Of An Incomplete Pattern

2.1.4       Problems On Paper Folding

2.1.5       Problems On Paper Cutting

2.2              Problem Based On Visual Ability

2.3              Classification

2.4              Series

2.5              Analogy 

ENGLISH 

Contents 

1.     Parts of Speech

     1.1 Noun

1.1.1 Kinds of Noun

          1.1.2 Gender

          1.1.3 Number

          1.1.4 Case

          1.1.5 Rules

     1.2 Adjective

          1.2.1 Kinds of Adjectives

          1.2.2 Degrees of Adjectives

          1.2.3 Rules

     1.3 Pronoun

          1.3.1 Kinds of Pronoun

          1.3.2 Rules

     1.4 Verb

          1.4.1 Different Kinds of Verbs

          1.4.2 Subject Verb Agreement

     1.5 Adverb

          1.5.1 The Kinds of Adverbs

          1.5.2 Comparison of Adverbs

          1.5.3 Some Rules Related to the Use of Adverbs

     1.6 Preposition

          1.6.1 Rules

          1.6.2 Short List of One-Word Prepositions

          1.6.3 General Rules Regarding Certain Prepositions

     1.7 Conjunction

          1.7.1 Classification of Conjunctions

          1.7.2 Some Important Rules

     1.8 Interjection 

2.     Articles

     2.1 Kinds of Articles

          2.1.1 The Indefinite Article ‘a/an’

          2.1.2 The Definite Article ‘the’

 3.     Tenses

     3.1 Classification of Tenses

          3.1.1 Present Tense

          3.1.2 Past Tense

          3.1.3 Future Tense

     3.2 Summary of Rules with Examples in Tabular Form

 4.     Punctuations and Capitals

     4.1 List of Important Punctuation Marks

     4.2 Rules Regarding Usages

     4.3 Use of Capital Letters  

5.     Idioms and Phrases

     5.1 Idioms

     5.2 Phrases

     5.3 Clauses 

6.     Sentences

     6.1 Kinds of Sentences

     6.2 Subject and Predicate 

7.     Active and Passive Voice

     7.1 Active Voice

     7.2 Passive Voice

     7.3 Rules for Changing the Voice

     7.4 Transformation of Sentences-Voice Change

     7.5 Summary of Rules with Examples in Tabular Form  

8.     Direct and Indirect Speech

     8.1 Direct Speech

     8.2 Indirect Speech

     8.3 Rules for Changing Direct into Indirect Speech 

9.     English Vocabulary

     9.1 Antonyms

          9.1.1 Strategies for Antonyms

     9.2 Synonyms

          9.2.1 Strategies for Synonyms 

10. Fill in the Blanks

     10.1 Types of Fill in the Blanks

          10.1.1 Logical Fill in the Blanks

          10.1.2 Paired Logical Fill in the Blanks

          10.1.3. Grammar Based Fill in the Blanks

     10.2 Strategies for Fill in the Blanks 

11. Cloze Test

     11.1 Strategies for Cloze Test 

12. English Usage Errors

     12.1 Types of Errors

           12.1.1 Error in Subject Verb Agreement

           12.1.2 Error in the Tense or Form of a Verb

           12.1.3 Error in Subjunctive Mood

           12.1.4 Error in Comparison

           12.1.5 Error in the use of Adjective for Adverb or Vice-Versa

           12.1.6 Error of Parallel Construction

           12.1.7 Error in Diction or Idiom

     12.2 Types of Common Errors

           12.2.1 Common Errors in the Use of Articles

           12.2.2 Common Errors in the Use of Nouns

           12.2.3 Common Errors in the Use of Pronouns

12.2.4 Common Errors in the Use of Adjectives

12.2.5 Common Errors in the Use of Verbs

12.2.6 Common Errors in the Use of Adverbs

12.2.7 Common Errors in the Use of Prepositions

12.2.8 Common Errors in the Use of Conjunction

12.2.9 Common Errors in the Use of Tenses

12.2.10 Common Errors in the Use of Modals 

13. Sentence Improvement

13.1 Strategies for Sentence Improvement 

14. Rearrangement of Sentences in Paragraph

14.1 Strategies for Rearrangement of Sentences in Paragraph 

15. English Comprehension

15.1 Types of Comprehension Based Questions

15.2 Strategies for Comprehension Based Questions