GMAT & MBA Admissions Blog

John Easter

Recent Posts

2018 Official Guide to the GMAT Review Series: Problem #23 (Algebra Distance-Rate Problems)

Posted by John Easter on Fri, Aug 31, 2018 @ 02:43 PM

This post is the fourth in our series on using strategies to answer specific questions from the 2018 Official Guide. Here, one of our most experienced GMAT tutors, John Easter, analyzes a question about distance-rate.

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Tags: GMAT quant, GMAT tutor, GMAT prep, GMAT Blog, MBA Admissions, online gmat tutor, gmat study skills, gmat math

2018 Official Guide to the GMAT Review Series: Problem #17 (Direct Calculation)

Posted by John Easter on Wed, Aug 29, 2018 @ 02:42 PM

This post is the third in our series on using strategies to answer specific questions from the 2018 Official Guide. Here, one of our most experienced GMAT tutors, John Easter, analyzes a question about direct calculation.

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Tags: GMAT quant, GMAT tutor, GMAT prep, GMAT Blog, MBA Admissions, online gmat tutor, gmat study skills, gmat math

2018 Official Guide to the GMAT Review Series: Problem #44 (Problem Solving - Prime numbers)

Posted by John Easter on Mon, Jul 23, 2018 @ 09:55 AM

This post is the second in our series on using strategies to answer specific questions from the 2018 Official Guide. Here, one of our most experienced GMAT tutors, John Easter, analyzes a question about prime numbers using problem solving skills.

Problem #44 of the 2018 Official Guide to the GMAT states that if n is a prime number greater than 3, what is the remainder when n^2 is divided by 12?

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Tags: GMAT quant, GMAT tutor, GMAT prep, GMAT Blog, MBA Admissions, online gmat tutor, gmat study skills, gmat math

2018 Official Guide to the GMAT Review Series: Problem #167 (Back solving Variable in Choices)

Posted by John Easter on Mon, Jul 16, 2018 @ 10:25 AM

in this series, one of our most experienced GMAT tutors, John Easter, applies useful strategies to answer questions from the 2018 Official Guide. 

Problem #167 of the 2018 Official Guide to the GMAT states that four extra-large sandwiches of exactly the same size were ordered for m students where m>4. Three of the sandwiches were evenly divided among the students. Since 4 students did not want any of the fourth sandwich, it was evenly divided among the remaining students. If Carol ate one piece from each of the four sandwiches, the amount of sandwich that she ate would be what fraction of a whole extra-large sandwich?

 

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Tags: GMAT quant, GMAT tutor, GMAT resources, GMAT Blog, MBA Admissions, gmat test prep, gmat study skills, improving your gmat score, gmat math

Using Khan Academy for GMAT Prep

Posted by John Easter on Sat, Aug 06, 2016 @ 12:00 PM

 If you don't know what Khan Academy is, watch this. When it comes to GMAT prep, using Khan Academy can be a very effective tool for refreshing basic skills, but there's a catch. KA content is aligned to the common core state standards for math. The GMAT is NOT aligned to the common core.

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Tags: GMAT prep, GMAT tips, GMAT, GMAT Blog

GMAT Quant Strategies: Summing an Arithmetic Sequence

Posted by John Easter on Wed, May 15, 2013 @ 08:18 AM

One of the more difficult GMAT problem types deals with summing an arithmetic sequence. Problem 157 in the 12th edition Official Guide is an example:

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Tags: gmat test, GMAT prep, GMAT, GMAT problem solving, GMAT integer questions, GMAT Blog