Difference Between “Permutations” and “Combinations” on GMAT

GMAT VIDEOS

• Approach for DS Questions on GMAT
• Properties of a “Sufficient” DS Statement 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
• Even and Odd – 3 Amazing DS Examples on GMAT
• Finding Units Digit of a Huge Multiplication on GMAT
• Finding Last 2 Digits 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
• Work- when negative work is involved on GMAT
• Average Speed on GMAT
• Relative Speed 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
• 2 Difficult Distributive Arrangement Problems on 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
• Determining the method of reasoning deployed on GMAT Critical Reasoning
• Similar Reasoning Questions on GMAT Critical Reasoning
• Finding the Flaw in Reasoning on GMAT Critical Reasoning
• Confusing Cause with Effect on GMAT Critical Reasoning
• Confusing Correlation with Causation on GMAT Critical Reasoning
• Assuming that bases are same on GMAT Critical Reasoning
• Incorrect Analogy on GMAT Critical Reasoning
• Generalization on GMAT Critical Reasoning
• Circular Reasoning on GMAT Critical Reasoning
• Impressed by numbers on GMAT Critical Reasoning
• Missing the main point on GMAT Critical Reasoning
• Comparing percentage with absolute numbers on GMAT Critical Reasoning
• Comparing one with oneself on GMAT Critical Reasoning
• Confusing necessity with sufficiency on GMAT Critical Reasoning
• Confusing sufficiency with necessity on GMAT Critical Reasoning
• Confusing possibility with necessity 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