Percent and Interest Questions in The 2016 Official Guide for GMAT Review and Supplement

Posted on November 10, 2015 by Anthony Ritz

The Official Guide for GMAT Review, 2016   page 22, question 12 page 23, question 21 page 26, question 40 page 152, question 1 page 153, question 6 page 153, question 9 page 153, question 11 page 156, question 28 page 156, question 30 page 157, question 34 page 160, question 55 page 161, question […]

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GMAT Question Analysis #1

Posted on July 16, 2012 by Anthony Ritz

For this week’s post I decided to do a GMAT math question. The Official Guide for the GMAT provides explanations for all included questions, so I’m going to write one of my own and discuss it. This question could just as easily show up on a test like the GRE, the SAT, or the ACT.

The number N is increased by x% and then the result is decreased by x%. If the result is 64% of N, which of the following could be the value of x?

A. 8
B. 36
C. 60
D. 64
E. None of these

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