Gmat prep - Study guides, Class notes & Summaries

What are the first ten prime numbers? - Answer-2, 3,5, 7, 11, 13, 17, 19, 23, 29 Sum of two primes - Answer-All prime numbers are odd, except the number 2. Thus, the sum of any two primes will be even unless one of those primes is the number 2 If a sum of primes is odd, one of those primes must be the number 2 Counting total factors - Answer-If a number has prime factorization a^w x b^y x c^z (where a, b, and c are all prime), then the number has (w +1)(y + 1)(z + 1) different factors ...

WHEN YOU SEE: -An Isocleles Triangle with a hypotenuse that doesn't have the √2 next to it -How do you do that quick equation ex: ISO triangle : Hypotenuse = 16 - Answer--Divide the hypotenuse by 2 and multiple by √2 . ex: 16 = 16/2 = 8*√2 = 8√2 When you see: -An abstract sequence question -such as... ex: if the terms of sequence t1,t2,t3,...tn, what is the value of n? 1. The sum of the n terms is 3,124 2. The average (arithmetic mean) of the n terms is 4 - Answer--Thin...

Video 1: Introduction to Critical Reasoning meh About __ of verbal questions are made up of critical reasoning 1/3 They show up in batches of 2 or 3 questions Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen How much should you spend on a CR question? 2 minutes per question What does CR test? Your ability to reason effectively In a CR question, the arguments consist of ____ and a _____ Premi...

Video 1 Lesson: Introduction to Sentence Correction How many questions are there for sentence correction in the GMAT? 13-15 questions about 1/3 of verbal questions Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:02 / 0:15 Full screen How long should you spend with this question type? 1.5 minutes at most What do sentence correction questions test? Understanding of correct/effective written English - first answer choi...

GMAT Prep 2024 Detailed Questions and Expert Answers

common traps, pitfalls, errors correct answers -many reading questions contain wrong answer choices based on information that is actually true but not mentioned in the passage -does the author take a side? does the author prefer one viewpoint to another? does he offer his own competing argument? -do not let previous knowledge about a given topic affect your answers -many reading comp wrong answers are wrong because they are outside the scope of the passage main goal correct answers main go...

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GMAT Prep 2024 questions and answers

What happens when you multiply a proper fraction? correct answers It gets smaller What happens when you divide a proper fraction? correct answers It gets bigger What happens when you square a proper fraction? correct answers It gets smaller What is a proper fraction? correct answers Fractions where the numerator is smaller than the denominator What is the formula for a critical reasoning sentence? correct answers Premise + assumption = conclusion If you cross multiply to compare f...

GMAT EXAM PREP QUESTIONS AND ANSWERS