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For students looking for free GMAT preparation, here is probably the richest and the most organized resource you will find anywhere in the world, including the Internet. "GMAT Shots" is an initiative by us to cover virtually all the GMAT concepts through 2-minutes videos. Bookmark this page and keep coming back to it for either learning new concepts or for revising the same, before getting started with your Practice Test. This free GMAT material, a part of our GMAT online program, can be of great value for everyone irrespective of whether you have opted for a complete GMAT preparation program with any of the GMAT prep companies. We hope that this free GMAT preparation resource helps you in your pursuit for a good GMAT score and you enjoy your studies through these. Happy GMAT shots! ☺




How to Attempt Sentence Correction- The Correct Approach




“Do it” Versus “Do so”




“If” Versus “Whether”




“Like” Versus “As”




“Comparative” Versus “Superlative” Form




“Phrase Comma Subject” and “Subject Comma Phrase”




Independent and Dependent Clauses




Types of Phrases




Infinitive vs present participle




Usage of Period and Semicolon




Usage of Pair of Commas




Oxford Comma




Usage of Comma




Usage of Colon




Dash and Pair of Dashes




All punctuations




Comma Splices and Run-ons




Comma plus present participle for cause effect relationship




Appositives




Extra Information Between two Commas




Which, Who, Whose, Where




Can “Whose” be Used for Things or Objects




“Which” Versus “That”




A Rare Case when “That” is Preceded by “Comma”




“And” Versus Other Conjunctions




Comma Splices and Run-ons




Oxford Comma




Collective, Countables, Uncountable Nouns




Indefinite Pronouns are Singular




Many, Any, None, All, Some




“Either-Or” and “Neither-Nor”




An Exception in the Usage of “Each”




Avoiding Pronoun Ambiguity




Exceptions to Pronoun Ambiguity




“Who” Versus “Whom”




“Possessive Pronoun” can be used with “Possessive Noun”




A Simple Approach for 12 Different Tenses




Simple Tenses




Simple Continuous Tenses




Present Perfect Tense




Present Perfect Continuous Tense




Past Perfect Tense – Use of “Had”




Use of two “Hads” simultaneously




“Future Perfect” and “Future Perfect Continuous” Tenses




Perfect Continuous Tenses




Use of “Considered” and “Regarded As”




“Because” versus “In That”




Use of “So As To”




Use of “Modeled”




Use of “Native”




“Compared with” Versus “Compared to”




“Agree with” versus “Agree to”




Use of “Distinguish”




Use of “Being”




Where Versus When




Although, Though, Despite, and While




There Is and There Are




Between Vs Among




Usage of “Forbid”




Approach for DS Questions




1 of 5 – Common Mistakes in Data Sufficiency




2 of 5 – Common Mistakes in Data Sufficiency




3 of 5 – Common Mistakes in Data Sufficiency




4 of 5 – Common Mistakes in Data Sufficiency




5 of 5 – Common Mistakes in Data Sufficiency




Classification of Numbers




Some Exceptions on Integers




Even and Odd Integers




Finding Units Digit of a Huge Multiplication




FINDING LAST DIGIT OF A LARGE EXPONENT




Finding the Number of Factors




Finding the Highest Power in a Factorial




Terminating Fractions




How to Find Remainder for a Huge Product




Finding Remainder for a Large Exponent




The Most Favorite Remainder Question Type




An Important Surds and Indices Question Type




Another Important Surds and Indices Question Type




Sets – Two Elements




Sets – Three Elements




A Smart Approach to Percentage Increase and Decrease




Taking Base as 100 in Percentage Questions




Mixtures – Two Elements




Mixtures – Three or More Elements




Alligation – When and How to Use




Application of Alligation on a Question




A Key Concept on Proportion




The Concept of “Variation” or “Proportionality”




Basics of “Profit and Loss”




Basics of “Interest”




Mean




Mode




Median




Standard Deviation




“Range” and “Variation”




Avoid Multiple Variables to Save Time




Solving a Quadratic Equation by Factorization




Inequations – Based on Modulus




Inequations – Based on Factorization




Inequations – Based on Signs




Inequations – Based on -1 to 1




MAY BE TRUE AND MUST BE TRUE




Work – When we can Assume Total Work as 1




Work – When Total Work is Defined




Average Speed




Relative Speed




Angles – Lines




Angles – Triangles




Angles – Polygons




Basic Properties of Triangles




Basic Properties of Quadrilaterals




Basic Properties of Isosceles, Equilateral, and Right Triangles




Basic Properties of Circles




Basic Properties of Congruent and Similar Traingles




GMAT’s Favorite Right Triangles




An Interesting Question Type on Triangles




Another Important Question Type on Triangles




Area of Overlapping Regions I




Area of Overlapping Regions II




Difference Between Prism and Pyramid




How to Find “Curved Surface” Area of any Solid




How to Find “Total Surface” Area of any Solid




How to Find the “Volume” of any Solid




Properties of Sphere and Hemisphere




An Important Concept on Solids




The Coordinate Axis – A Primer




The Distance Between two Coordinates




Equation of a Line




Parallel and Perpendicular Lines on Coordinate Axis




Slope of a Straight Line




Equation of Circle on Coordinate Axis




Length of Perpendicular on Coordinate Axis




A Basic Approach Towards Counting the Arrangements




Difference Between “Permutations” and “Combinations”




Permutations and Combinations Formula




Applying the Permutations and Combinations Formula




Relationship Between Permutations and Combinations




An Explanatory Permutations Example




An Explanatory Combinations Example




Circular Arrangements




Repetitive Arrangements




Distributive Arrangements




Teaming




Derangements




What is Probability?




A Logical Probability Example




Another Logical Example on Probability




A Probability Example Based on Set Theory




An Explanatory Example on PnC Based Probability Questions




Basics of Conditional Probability




Areal Probability




Basics of Functions




Commonly Asked Functions




A Commonly Asked Functions Question Type




Another Commonly Asked Functions Question Type




Arithmetic Progression




Basics of Geometric Progression




Sum of First n…




How to Attempt Reading Comprehensions- The “Mind-Map” Approach




How to Attempt Critical Reasoning- The “Missing-Link” Approach




Choices Generally Incorrect on Critical Reasoning




Ten Main Question Types on Critical Reasoning




Characteristics of a Correct Assumption




Difference Between “Strengthening Statement” and “Assumption”




Assumption Negation Test




Characteristics of a Strengthening Statement




Characteristics of a Weakening Statement




Characteristics of an Explanation Statement




Beware When you see Numbers in CR Questions




Characteristics of an Evaluation Statement




Characteristics of an Inference Statement




Characteristics of a Conclusion Statement




Characteristics of a Para-completion Statement




Strategy for Solving Boldface Questions




Frequently Used Vocabulary in Boldface Questions




Key Points for Boldafce Questions




Vocabulary Test 1 for Boldface Questions




Vocabulary Test 2 for Boldface Questions




Vocabulary Test 3 for Boldface Questions




Vocabulary Test 4 for Boldface Questions




Vocabulary Test 5 for Boldface Questions




A Note on Dialogue Based CR Questions




Determining the method of reasoning deployed on GMAT CR




Similar Reasoning Questions on GMAT CR




Finding the Flaw in Reasoning on GMAT CR




Confusing Cause with Effect on GMAT CR




Confusing Correlation with Causation on GMAT CR




Assuming that bases are same on GMAT CR




Incorrect Analogy on GMAT CR




Generalization on GMAT CR




Circular Reasoning on GMAT CR




Impressed by numbers on GMAT CR




Missing the main point on GMAT CR




Comparing percentage with absolute numbers on GMAT CR




Comparing one with oneself on GMAT CR




Confusing necessity with sufficiency on GMAT CR




Confusing sufficiency with necessity on GMAT CR




Confusing possibility with necessity on GMAT CR




Confusing between subsets and supersets on GMAT CR




Common Errors in Awa Reasoning




An Effective Structure for AWA Argument




Sample Template for AWA Argument




Time Management for AWA




Typical Week of your Preparation




Importance of One Full Length Test per Week




GMAT Myths you Must Laugh Away




Correct Mindset for the Test




When the Real GMAT Feels Different from the Prep Done…




Utilizing the Breaks during the GMAT




When you are Stuck on a Question…




Test Taking Tips




When you run short of time on GMAT…




How to Guess an Answer Choice Better




Final Tips Before the GMAT

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