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- Free Trial- GMAT Online Prep
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- Free GMAT Preparation
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- MBA Interview Prep Concepts
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**An Explanatory Combinations Example for GMAT**

Use this video to understand an Explanatory Combinations Example. This is a frequently asked question and will help you solve quantitative problems on GMAT.

- How to Attempt Sentence Correction on GMAT
- “Do it” Versus “Do so” on GMAT
- “If” Versus “Whether” on GMAT
- “Like” Versus “As” on GMAT
- “Comparative” Versus “Superlative” Form on GMAT
- “Phrase Comma Subject” and “Subject Comma Phrase” on GMAT
- Independent and Dependent Clauses on GMAT
- Types of Phrases on GMAT
- Infinitive vs present participle on GMAT
- Extra Information Between two Commas on GMAT
- Usage of Period and Semicolon on GMAT
- Usage of Pair of Commas on GMAT
- Oxford Comma on GMAT
- Usage of Comma on GMAT
- Usage of Colon on GMAT
- Dash and Pair of Dashes on GMAT
- Comma Splices and Run-ons on GMAT
- All punctuations on GMAT SC
- Comma plus present participle for cause effect relationship
- Appositives on GMAT
- Use of Which, Who, Whose, Where on GMAT
- Can “Whose” be Used for Things or Objects on GMAT
- “Which” Versus “That” on GMAT
- A Rare Case when “That” is Preceded by “Comma” on GMAT
- “And” Versus Other Conjunctions on GMAT
- Subjunctive Mood on GMAT
- Collective, Countables, Uncountable Nouns on GMAT
- Indefinite Pronouns on GMAT
- Many, Any, None, All, Some on GMAT
- “Either-Or” and “Neither-Nor” on GMAT
- An Exception in the Usage of “Each” on GMAT
- Avoiding Pronoun Ambiguity on GMAT
- Exceptions to Pronoun Ambiguity on GMAT
- “Who” Versus “Whom” on GMAT
- A Simple Approach for 12 Different Tenses on GMAT
- Simple Tenses on GMAT
- Simple Continuous Tenses on GMAT
- Present Perfect Tense on GMAT
- Present Perfect Continuous Tense on GMAT
- Past Perfect Tense – Use of “Had” on GMAT
- Use of two “Hads” simultaneously on GMAT
- “Future Perfect” and “Future Perfect Continuous” Tenses on GMAT
- Perfect Continuous Tenses on GMAT
- 3 Key Subjunctive Structures on GMAT
- Use of “Considered” and “Regarded As” on GMAT
- “Because” versus “In That” on GMAT
- Use of “So As To” on GMAT
- Use of “Modeled” on GMAT
- Use of “Native” on GMAT
- “Compared with” Versus “Compared to” on GMAT
- “Agree with” versus “Agree to” on GMAT
- Use of “Distinguish” on GMAT
- Use of “Being” on GMAT
- Where Versus When on GMAT
- Although, Though, Despite, and While on GMAT
- There Is and There Are on GMAT
- Between Vs Among on GMAT
- Usage of “Forbid” on GMAT
- Approach for DS Questions on GMAT
- 1 of 5 – Common Mistakes in GMAT Data Sufficiency
- 2 of 5 – Common Mistakes in GMAT Data Sufficiency
- 3 of 5 – Common Mistakes in GMAT Data Sufficiency
- 4 of 5 – Common Mistakes in GMAT Data Sufficiency
- 5 of 5 – Common Mistakes in GMAT Data Sufficiency
- Classification of Numbers on GMAT
- Some Exceptions on Integers on GMAT
- Even and Odd Integers on GMAT
- Finding Units Digit of a Huge Multiplication on GMAT
- How to Find Last Digits of Large Powers and Exponents on GMAT
- Finding the Number of Factors on GMAT
- Finding the Highest Power in a Factorial on GMAT
- Terminating Fractions on GMAT
- How to Find Remainder for a Huge Product on GMAT
- Finding Remainder for a Large Exponent on GMAT
- The Most Favorite Remainder Question Type on GMAT
- An Important Surds and Indices Question Type on GMAT
- Another Important Surds and Indices Question Type on GMAT
- Sets – Two Elements on GMAT
- Sets – Three Elements on GMAT
- A Smart Approach to Percentage Increase and Decrease on GMAT
- Taking Base as 100 in Percentage Questions on GMAT
- Mixtures – Two Elements on GMAT
- Mixtures – Three or More Elements on GMAT
- Alligation – When and How to Use on GMAT
- Application of Alligation on a Question on GMAT
- A Key Concept on Proportion on GMAT
- The Concept of “Variation” or “Proportionality” on GMAT
- Basics of “Profit and Loss” on GMAT
- Basics of “Interest” on GMAT
- Arithmetic Mean or Average on GMAT
- Mode on GMAT
- Median on GMAT
- Standard Deviation on GMAT
- “Range” and “Variation” on GMAT
- Avoid Multiple Variables to Save Time on GMAT
- Solving a Quadratic Equation by Factorization on GMAT
- Inequations – Based on Modulus on GMAT
- Inequations – Based on Factorization on GMAT
- Inequations – Based on Signs on GMAT
- Inequations – Based on -1 to 1 on GMAT
- May be true and Must be true questions on GMAT
- Work – When we can Assume Total Work as 1 on GMAT
- Work – When Total Work is Defined on GMAT
- Average Speed on GMAT
- Relative Speed on GMAT
- Angles – Lines on GMAT
- Angles – Triangles on GMAT
- Angles – Polygons on GMAT
- Basic Properties of Triangles for GMAT
- Basic Properties of Quadrilaterals for GMAT
- Basic Properties of Isosceles, Equilateral, and Right Triangles on GMAT
- Basic Properties of Circles on GMAT
- Basic Properties of Congruent and Similar Triangles on GMAT
- GMAT’s Favorite Right Triangles
- An Interesting Question Type on Triangles for GMAT
- Another Important Question Type on Triangles for GMAT
- Area of Overlapping Regions I for GMAT
- Area of Overlapping Regions II for GMAT
- Difference Between Prism and Pyramid on GMAT
- How to Find “Curved Surface” Area of any Solid on GMAT
- How to Find “Total Surface” Area of any Solid on GMAT
- How to Find the “Volume” of any Solid on GMAT
- Properties of Sphere and Hemisphere on GMAT
- An Important Concept on Solids on GMAT
- The Coordinate Axis – A Primer for GMAT
- The Distance Between two Coordinates on GMAT
- Equation of a Line on GMAT
- Parallel and Perpendicular Lines on Coordinate Axis on GMAT
- Slope of a Straight Line on GMAT
- Equation of Circle on Coordinate Axis on GMAT
- Length of Perpendicular on Coordinate Axis on GMAT
- A Basic Approach Towards Counting the Arrangements on GMAT
- Difference Between “Permutations” and “Combinations” on GMAT
- Permutations and Combinations Formula on GMAT
- Applying the Permutations and Combinations Formula on GMAT
- Relationship Between Permutations and Combinations on GMAT
- An Explanatory Permutations Example for GMAT
- An Explanatory Combinations Example for GMAT
- Circular Arrangements for GMAT
- Repetitive Arrangements for GMAT
- Distributive Arrangements for GMAT
- Teaming on GMAT
- Derangements on GMAT
- What is Probability on GMAT?
- A Logical Probability Example for GMAT
- Another Logical Example on Probability for GMAT
- A Probability Example Based on Set Theory on GMAT
- An Explanatory Example on PnC Based Probability Questions on GMAT
- Basics of Conditional Probability on GMAT
- Areal Probability on GMAT
- Basics of Functions on GMAT
- Commonly Asked Functions on GMAT
- A Commonly Asked Functions Question Type on GMAT
- Another Commonly Asked Functions Question on GMAT
- Arithmetic Progression for GMAT
- Basics of Geometric Progression for GMAT
- Sum of First ‘n’ Positive Integers, Squares, Cubes etc on GMAT
- How to Attempt Reading Comprehensions on GMAT
- How to Attempt Critical Reasoning- The “Missing-Link” Approach on GMAT
- Choices Generally Incorrect on GMAT Critical Reasoning
- Ten Main Question Types on Critical Reasoning on GMAT
- Characteristics of a Correct Assumption on GMAT CR
- Difference Between “Strengthening” and “Assumption” Statement on GMAT CR
- Assumption Negation Test on GMAT Critical Reasoning
- Characteristics of a Strengthening Statement on GMAT Critical Reasoning
- Characteristics of a Weakening Statement on GMAT Critical Reasoning
- Characteristics of an Explanation Statement on GMAT Critical Reasoning
- Beware When you see Numbers in GMAT Critical Reasoning
- Characteristics of an Evaluation Statement on GMAT Critical Reasoning
- Characteristics of an Inference Statement on GMAT Critical Reasoning
- Characteristics of a Conclusion Statement on GMAT Critical Reasoning
- Characteristics of a Para-completion Statement on GMAT Critical Reasoning
- Strategy for Solving Boldface Questions on GMAT Critical Reasoning
- Frequently Used Vocabulary in Boldface Questions on GMAT CR
- Key Points for Boldface Questions on GMAT
- Vocabulary Test 1 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 2 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 3 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 4 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 5 for Boldface Questions on GMAT Critical Reasoning
- A Note on Dialogue Based CR Questions on GMAT Critical Reasoning
- Confusing possibility with necessity on GMAT Critical Reasoning
- Finding the Flaw in Reasoning on GMAT Critical Reasoning
- Circular Reasoning on GMAT Critical Reasoning
- Confusing necessity with sufficiency on GMAT Critical Reasoning
- Comparing one with oneself on GMAT Critical Reasoning
- Generalization on GMAT Critical Reasoning
- Similar Reasoning Questions on GMAT Critical Reasoning
- Comparing percentage with absolute numbers on GMAT Critical Reasoning
- Assuming that bases are same on GMAT Critical Reasoning
- Incorrect Analogy on GMAT Critical Reasoning
- Missing the main point on GMAT Critical Reasoning
- Determining the method of reasoning deployed on GMAT Critical Reasoning
- Confusing Cause with Effect on GMAT Critical Reasoning
- Confusing Correlation with Causation on GMAT Critical Reasoning
- Confusing sufficiency with necessity on GMAT Critical Reasoning
- Impressed by numbers on GMAT Critical Reasoning
- Confusing between subsets and supersets on GMAT Critical Reasoning
- Common Errors in AWA Reasoning on GMAT
- An Effective Structure for AWA Argument on GMAT
- Sample Template for AWA Argument on GMAT
- Time Management for AWA on GMAT
- Typical Week of your Preparation on GMAT
- Importance of One Full Length Test per Week on GMAT Prep
- GMAT Myths you Must Laugh Away
- Correct Mindset for the Test on GMAT
- When the Real GMAT Feels Different from the Prep Done…
- Utilizing the Breaks during the GMAT
- When you are Stuck on a Question on GMAT
- Test Taking Tips on GMAT
- When you run short of time on GMAT…
- How to Guess an Answer Choice Better on GMAT
- Final Tips Before the GMAT