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CDAC CCAT Study Materials
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Section A [ Quantitative ] - Profit and Loss 6
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Profit and Loss Part #1 09 minLecture2.1
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Profit and Loss Part #2 21 minLecture2.2
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Profit and Loss Part #3 15 minLecture2.3
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Profit & Loss [Formula]Lecture2.4
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Profit and Loss [ Notes ]Lecture2.5
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Profit and Loss [Practice Problems]Lecture2.6
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Section A [ Quantitative ] - Average 5
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Average full Concept and Tricks Part #1 11 minLecture3.1
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Average full Concept and Tricks Part #2 09 minLecture3.2
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Average full Concept and Tricks Part #3Lecture3.3
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Averages [ Notes ]Lecture3.4
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Averages Practice Questions 26 minLecture3.5
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Section A [ Quantitative ] - Arithmetic Progression and Geometric Progression 6
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Arithmetic Progression Part #1 10 minLecture4.1
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Arithmetic Progression Part #2 08 minLecture4.2
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Geometric Progression Part #1 08 minLecture4.3
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Geometric Progression Part #2 07 minLecture4.4
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Sequence and Series # 2 [ AP – GP – HP Practice Problem ] 22 minLecture4.5
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Arithmetic Progression and Geometric Progression [ Notes ]Lecture4.6
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Section A [ Quantitative ] - Ages Problems 6
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Ages ConceptLecture5.1
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Ages Part #1 12 minLecture5.2
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Ages Part #2 08 minLecture5.3
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Ages [ Formula ]Lecture5.4
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Ages Problem [ Notes]Lecture5.5
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Ages Problem [Practice Problems]Lecture5.6
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Section A [ Quantitative ] - Alligations and Mixtures 5
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Alligation and Mixture Part #1 18 minLecture6.1
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Alligation and Mixture Part #2 19 minLecture6.2
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Alligation and Mixtures [Formula]Lecture6.3
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Alligation and Mixtures [Handmade Notes]Lecture6.4
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Alligation and Mixtures [Practice Problems]Lecture6.5
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Section A [ Quantitative ] - Boats and Streams 5
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Boats and Stream Part #1 10 minLecture7.1
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Boats and Stream Part #2 11 minLecture7.2
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Boat and Stream [Formula]Lecture7.3
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Boat and Stream [Handmade Notes]Lecture7.4
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Boat and Stream [Practice Problems]Lecture7.5
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Section A [ Quantitative ] - Chain rule 4
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Chain Rule 15 minLecture8.1
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Chain rule [ Formula]Lecture8.2
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Chain Rule [Handmade Notes]Lecture8.3
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Chain Rule [Practice Problems]Lecture8.4
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Section A [ Quantitative ] - HCF and LCM 6
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HCF and LCM Part #1 13 minLecture9.1
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HCF and LCM Part #2 16 minLecture9.2
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HCF and LCM Part #3 18 minLecture9.3
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HCF and LCM [Formula]Lecture9.4
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HCM and LCM [Handmade Notes]Lecture9.5
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HCM and LCM [Practice Problems]Lecture9.6
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Section A [ Quantitative ] - Number System 11
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Number System Part #1 13 minLecture10.1
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Number System Part #2 12 minLecture10.2
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Number System Part #3 07 minLecture10.3
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Number System Part #4 10 minLecture10.4
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Number System Part #5 10 minLecture10.5
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Number System Part #6 10 minLecture10.6
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Number System Part #7 07 minLecture10.7
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Number System Part #8 07 minLecture10.8
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Number System Part #9 09 minLecture10.9
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Number System Part #10 09 minLecture10.10
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Number System, LCM & HCF Practice ProblemLecture10.11
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Section A [ Quantitative ] - Percentage Problem 9
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Percentage Part 1 08 minLecture11.1
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Percentage Part 2 08 minLecture11.2
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Percentage Part 3 09 minLecture11.3
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Percentage Part 4 08 minLecture11.4
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Percentage Part 5 09 minLecture11.5
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Percentage Practice Questions 27 minLecture11.6
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Percentage Problem [Formula]Lecture11.7
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Percentage Problem [ Notes ]Lecture11.8
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Percentage Problem [Practice Problems]Lecture11.9
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Section A [ Quantitative ] - Permutation and Combination 6
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Permutation and Combination Part #1 25 minLecture12.1
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Permutation and Combination Part #2 19 minLecture12.2
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Permutation and Combination Part #3 20 minLecture12.3
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Permutation and Combination [Formula]Lecture12.4
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Permutation and Combination [Handmade Notes]Lecture12.5
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Permutation and Combination [Practice Problems]Lecture12.6
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Section A [ Quantitative ] - Pipes and Cistern 7
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Pipes and Cistern – 1 [ New Video ] 27 minLecture13.1
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Pipes and Cistern – 2 [ New Video ] 23 minLecture13.2
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Pipes and Cistern Part #1 27 minLecture13.3
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Pipes and Cistern Part #2 16 minLecture13.4
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Pipes and Cistern Part #3 12 minLecture13.5
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Pipes and Cistern [Handmade Notes]Lecture13.6
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Pipes and Cistern [Practice Problems]Lecture13.7
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Section A [ Quantitative ] - Probability 7
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Probability Part #1 16 minLecture14.1
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Probability Part #2 14 minLecture14.2
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Probability Part #3 28 minLecture14.3
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Probability Part #4 28 minLecture14.4
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Probability [ Formula and Solved Examples ]Lecture14.5
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Probability [Practice Problems]Lecture14.6
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Probability All PPT_Lecture14.7
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Section A [ Quantitative ] - Ratio and Proportion 7
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Ratio & Proportion #1 13 minLecture15.1
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Ratio & Proportion #2 12 minLecture15.2
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Ratio & Proportion #3 13 minLecture15.3
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Ratio & Proportion #4 10 minLecture15.4
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Ratio & Proportion #5 08 minLecture15.5
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Ratio and Proportion [ Notes ]Lecture15.6
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Ratio and Proportion [Practice Problems]Lecture15.7
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Section A [ Quantitative ] - Simple and Compound Interest 8
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Simple Interest Part #1 20 minLecture16.1
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Simple Interest Part #2 19 minLecture16.2
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Compound Interest Part #1 25 minLecture16.3
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Compound Interest Part #2 23 minLecture16.4
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Fastest Method to Solve Compound Interest 07 minLecture16.5
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Simple Interest and compound [Formula]Lecture16.6
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Simple and Compound Interest [Notes]Lecture16.7
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Simple and Compound Interest [Practice Problems]Lecture16.8
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Section A [ Quantitative ] - Time and Work 10
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Time and Work Part #1 26 minLecture17.1
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Time and Work Part #2 26 minLecture17.2
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Time and Work Part #3 27 minLecture17.3
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Time and Work Part #4 22 minLecture17.4
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Time and Work Part #1 [ Old Videos by Sumer ] 20 minLecture17.5
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Time and Work Part #2 [ Old Videos by Sumer ] 13 minLecture17.6
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Time and Work Part #3 [ Old Videos by Sumer ] 10 minLecture17.7
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Time and Work[Formula]Lecture17.8
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Time and Work [Practice Problems]Lecture17.9
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Time and Work [Handmade Notes]Lecture17.10
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Section A [ Quantitative ] - Train Problems 8
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Train Problems Part #1 19 minLecture18.1
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Train Problems Part #2 11 minLecture18.2
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Train Problems Part #3 19 minLecture18.3
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Problems on Train – 1 26 minLecture18.4
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Problems on Train – 2 27 minLecture18.5
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Train Problems [Formula]Lecture18.6
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Train Problems [ Notes ]Lecture18.7
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Train Problems [Practice Problems]Lecture18.8
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Section A [ Verbal ] - Roots words 2
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Roots words [ Prefix and Suffix ] 13 minLecture19.1
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Roots words [ Prefix and Suffix ] NotesLecture19.2
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Section A [ Verbal ] - Reading Comprehension 6
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Reading Comprehension 13 minLecture20.1
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Reading Comprehension -1 24 minLecture20.2
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Reading Comprehension -2 19 minLecture20.3
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Reading Comprehension [ Notes + Solved Examples + Practice Problem ]Lecture20.4
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Reading Comprehension Notes 1Lecture20.5
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Reading Comprehension Notes 2Lecture20.6
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Section A [ Verbal ] - Subject Verb Agreement 2
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Subject Verb and Agreement 22 minLecture21.1
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Subject Verb Agreement NotesLecture21.2
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Section A [ Verbal ] - Synonyms And Antonyms 7
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Synonyms 28 minLecture22.1
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Antonyms 22 minLecture22.2
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Synonyms and Antonyms 14 minLecture22.3
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Synonyms And Antonyms NotesLecture22.4
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Synonyms NotesLecture22.5
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Antonyms NotesLecture22.6
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Synonyms Antonyms Practice ProblemLecture22.7
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Section A [ Verbal ] - Ability 9
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Introduction to Verbal Ability + Tenses Part #1 12 minLecture23.1
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Tenses Part #1 11 minLecture23.2
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Tenses [ Notes + Solved Examples + Practice Problem ]Lecture23.3
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Error Detection and Correction + Sentence Completion #1 14 minLecture23.4
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Sentence Completion Part #2 13 minLecture23.5
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Spotting Erorrs [ Notes + Solved Examples + Practice Problem ]Lecture23.6
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Sentence Completion [ Notes + Solved Examples + Practice Problem ]Lecture23.7
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Assumption in Verbal Reasoning 14 minLecture23.8
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Deduction in Verbal Reasoning 26 minLecture23.9
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Section A [ Reasoning ] - Blood Relation 6
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Blood Relation Part #1 12 minLecture24.1
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Blood Relation Part #2 10 minLecture24.2
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Blood Relation Part #3 10 minLecture24.3
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Blood Relation Part #4 09 minLecture24.4
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Blood Relation [ Notes ]Lecture24.5
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Blood Relation [ Practice Problem ]Lecture24.6
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Section A [ Reasoning ] - Calender 4
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Calendar 13 minLecture25.1
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Calendar Problem [Notes]Lecture25.2
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Calendar Problem [Handmade Notes]Lecture25.3
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Calendar Problem [ Practice Problem ]Lecture25.4
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Section A [ Reasoning ] - Coding Decoding 7
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Coding Decoding Part #1 07 minLecture26.1
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Coding Decoding Part #2 08 minLecture26.2
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Coding Decoding Part #3 08 minLecture26.3
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Coding Decoding Part #4 06 minLecture26.4
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Coding Decoding Part #5 10 minLecture26.5
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Coding Decoding [Notes]Lecture26.6
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Coding Decoding [ Practice Problem]Lecture26.7
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Section A [ Reasoning ] - Data Sufficiency 3
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Data Sufficiency 09 minLecture27.1
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Data Sufficiency [ Practice Problem ]Lecture27.2
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Data Sufficiency [ Notes ]Lecture27.3
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Section A [ Reasoning ] - Clock Problems 6
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Clock Problems Part #1 13 minLecture28.1
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Clock Problems Part #2 17 minLecture28.2
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Clock Problems Part #3 10 minLecture28.3
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Clock Problem [Handmade Notes]Lecture28.4
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Clock Problem [ Notes]Lecture28.5
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Clock Problem [ Practice Problem ]Lecture28.6
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Section A [ Reasoning ] - Direction 8
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Direction Part #1 07 minLecture29.1
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Direction Part #2 08 minLecture29.2
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Direction Part #3 09 minLecture29.3
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Direction Part #4 04 minLecture29.4
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Direction Part #5 07 minLecture29.5
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Direction Part #6 06 minLecture29.6
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Direction [ Notes ]Lecture29.7
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Direction [ Practice Problem ]Lecture29.8
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Section A [ Reasoning ] - Number Series 6
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Number Series Part #1 09 minLecture30.1
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Number Series Part #2 08 minLecture30.2
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Number Series Part #3 08 minLecture30.3
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Number Series Part #4 04 minLecture30.4
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Number Series [Notes]Lecture30.5
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Number Series [Practice Problems]Lecture30.6
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Section A [ Reasoning ] - Seating Arrangement 8
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Seating Arrangement Part #1 08 minLecture31.1
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Seating Arrangement Part #2 12 minLecture31.2
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Seating Arrangement Part #3 11 minLecture31.3
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Seating Arrangement Part #4 06 minLecture31.4
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Seating Arrangement Part #5 07 minLecture31.5
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Seating Arrangement Part #6 06 minLecture31.6
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Seating Arrangement [Notes]Lecture31.7
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Seating Arrangement [ Practice Problem ]Lecture31.8
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Section A [ Reasoning ] - Visual Reasoning 6
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Visual Reasoning Part #1 10 minLecture32.1
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Visual Reasoning Part #2 12 minLecture32.2
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Visual Reasoning Part #3 11 minLecture32.3
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Visual Reasoning Part #4 11 minLecture32.4
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Visual Reasoning [ Notes ]Lecture32.5
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Visual Reasoning [ Practice Problem ]Lecture32.6
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Section A - Computer Fundamental 12
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1. Introduction 10 minLecture33.1
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2. Computer Memory and its types 14 minLecture33.2
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3. Motherboard and its component 08 minLecture33.3
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4. Ports, Cables and Graphic Card 09 minLecture33.4
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5. Storage Devices 07 minLecture33.5
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6. Number System 11 minLecture33.6
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7. Machine Language 06 minLecture33.7
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8. Operating Systems 10 minLecture33.8
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9. AR and VR 07 minLecture33.9
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10. Computer Virus 08 minLecture33.10
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Computer Fundamental [Notes]Lecture33.11
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Computer Fundamental Practice ProblemLecture33.12
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Section A [ Quantitative ] - Decimal and Fractions 2
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1. Decimal and Fractions 20 minLecture34.1
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2. Decimal and Fractions 15 minLecture34.2
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Section A [ Quantitative ] - Time, Speed and Distance 4
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Time, Speed & Distance – 1 18 minLecture35.1
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Time, Speed & Distance – 2 22 minLecture35.2
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Time, Speed & Distance – 3 28 minLecture35.3
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Time, Speed & Distance – Practice Question 34 minLecture35.4
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Section A [ Quantitative ] - Perimeter, Area, Volume 2
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Perimeter, Area, Volume – 1 20 minLecture36.1
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Perimeter, Area, Volume – 2 20 minLecture36.2
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Section A [ Quantitative ] - Simplification and Approximation 2
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Simplification – 1 11 minLecture37.1
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Simplification – 2 11 minLecture37.2
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Section A [ Quantitative ] - Surds and Indices 2
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Section A [ Quantitative ] - Odd man out and series 2
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Odd man out and series -1 19 minLecture39.1
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Odd man out and series -2 17 minLecture39.2
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Section A [ Verbal ] - Sentence Corrections 3
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Sentence Corrections – 1 23 minLecture40.1
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Sentence Corrections – 2 22 minLecture40.2
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Sentence Correction NotesLecture40.3
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Section A [ Verbal ] - Fill in the Blanks 9
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Conjunction 10 minLecture41.1
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Prepositions 11 minLecture41.2
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Articles 15 minLecture41.3
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Tenses 21 minLecture41.4
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Conjunction NotesLecture41.5
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Prepositions NotesLecture41.6
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Articles NotesLecture41.7
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Tenses NotesLecture41.8
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Tenses Practice ProblemsLecture41.9
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Section A [ Verbal ] - Paragraph 2
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Paragraph 22 minLecture42.1
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Paragraph FormationLecture42.2
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Section A [ Verbal ] - Error Identification 2
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Error Identification 13 minLecture43.1
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Error Identification NotesLecture43.2
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Section A [ Verbal ] - Sentence Rearrangement 3
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Rearrangements – 1 21 minLecture44.1
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Rearrangements – 2 21 minLecture44.2
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Sentence Rearrangement NotesLecture44.3
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Section A [ Verbal ] - Sentence Completion 2
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Sentence Completion 18 minLecture45.1
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Sentence Completion NotesLecture45.2
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Section A [ Verbal ] - Idioms & Phrases 2
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Idioms & Phrases – 1 24 minLecture46.1
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Idioms & Phrases – 2 25 minLecture46.2
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Ajay walks 24 km towards East and turns to right hand side and takes a drive of another 10 km. He then turning to his right (drives towards West) another 10 km. He then turns to his left & walks another 8 km. After that, he turns to his right & travels 14 km. How far is he from his initial point & in which direction?
| A) 20 km East | B) 18 km south |
| C) 16 km West | D) 10 km South. |
B) 18 km south
Explanation:

AB =10 + 8 = 18 South
Raju walks 80 ms towards south. Then, turns to his right & starts walking straight till he completes another 80 ms. Then, again turning to his left he walks for 60 metres. He then turns to his left & walks for 80 metres. How far is he from his initial position?
| A) 100 metres | B) 140 meters |
| C) 60 metres | D) 120 metres |
B) 140 meters
Explanation:
AB = 80 + 60 = 140
Varun drove his car for 80 kms due North. Then he turned left and drove for 100 kms. Again he turned left & drove yet another 80 kms. Again he turned left and drove his car 120 kms. How far do you think he actually drove his car from the initial position?
| A) 20 kms | B) 100 kms |
| C) 60 kms | D) None of these |
A) 20 kms
Explanation:
Distance from initial position = 120 β 100 = 20.
Sandeep walks 60m to the east, then he turns left and walks for 50 m, then turns right and went 70 m and then turns right again and went 50 m. How far was Sandeep from the starting point?
| A) 90 m | B) 70 m |
| C) 50 m | D) 130 m |
D) 130 m
Explanation:
AB = 60 + 70 = 130.
One morning after sunrise, Amrit was standing facing a pole. The shadow of the pole was forming on the left side. Which direction was Amrit facing?
| A) East | B) West |
| C) South | D) North |
D) North
Explanation:
Sun always rises in the east . So in morning, the shadow falls towards the west .now Pole's shadow falls to the left of Amrit. So, he is standing, facing North.
One evening just before sunset two friends Sanju and Manju were talking to each other face to face. If Manjuβs shadow was exactly to her left side, which direction was Sanju facing?
| A) North | B) South |
| C) West | D) Data inadequate |
A) North
Explanation:
In the evening as sun is in the west, so the shadows fall towards east. Now, since Manju's shadow fell towards right, therefore, Manju is facing south. So, Sanju standing face to face with Manju was facing north.
In the evening, Ashmita started walking positioning his back towards the sun. After sometime, she turned left, then turned right and then towards the left again. In which direction is she going now?
| A) North | B) East |
| C) West | D) South |
A) North
Explanation:
Clearly, there are two possible movements of Ashmita as shown Thus, Ashmita is finally moving towards North.
I drove 50 km towards east from a city βSβ and then turned right and drove another 30 km. Now I turned to my left & drove another 30 km. Finally I turned my right & drove 30 km to reach a city βFβ. Find the shortest straight distance between cities S and F.
| A) 20 km | B) 100 km |
| C) 30 km | D) 40 km |
B) 100 km
Explanation:
Clearly by Pythagoras theorem SF = 100km
Ahmedabad is to the southwest of Bangalore, Chennai is to the east of Ahmedabad and southeast of Bangalore and Delhi is to the north of Chennai in line with Ahmedabad-Bangal;ore. In which direction of Bangalore is Delhi located ?
| A) South | B) Southwest |
| C) North | D) Northeast |
D) Northeast
Explanation:
Delhi is located in Northeast of Bangalore.
Ajay drives 3 kilometres North. Then he turns right and drives 4 kilo metres. Now he turns right and drives 5 kilometres. Now turning left, he drives 2 kilometres. Again, he turns left and moves 2 kilometres. Finally turning left he again walks 2 kilometres. In which direction & how far is he from his starting position?
| A) 1.5 kilometres East | B) 4 kilometres East |
| C) 1.5 kilometres West | D) 4.5 metres West |
B) 4 kilometres East
Explanation:
Ajay is 4 kilomt. East

