Brent Hanneson - December 23, 2020
The key to maximizing your GMAT score is hidden in the 2021 Official Guide for GMAT Review (aka the OG2021), on the first page of the math review (page 17):
Keep in mind that this knowledge of basic math...

By Brent Hanneson - December 10, 2020
When it comes to counting questions that ask us to arrange a set of objects such that certain objects cannot be adjacent, the traditional approach is to apply the following property:
# of ways to...

By Brent Hanneson - December 5, 2020
At least half of all GMAT counting questions can be solved using the Fundamental Counting Principle (FCP, aka the slot method). However, it's not always easy to identify each stage (each slot) in the...

By Brent Hanneson - December 1, 2020
I’ve already noted that the GMAT test-makers aren’t trying to reward the human calculators out there (more here). If anything, the test-makers reward number sense, which means there are often times...

By Brent Hanneson - November 11, 2020
This is one of my favorite questions on GMAT Club. So, put on your test-taking pants and see if you can plow through it:
If you weren’t able to answer the question, you’re not alone. The question’s...

By Brent Hanneson - August 24, 2020
Consider this official GMAT question:
If x and y are both positive, is (x + 1)/(y + 1) > x/y ?
(1) x > 1
(2) x < y
The inequality in the target question is somewhat complex, but we can make...

By Brent Hanneson - August 5, 2020
To better understand a mistake I see all the time while tutoring, put on your game face, set a timer, and try answering the following question from the Official Guide (no peeking at the solution below): ...

By Brent Hanneson - July 22, 2020
Put your exam hat on and play close attention to your thought process as you try answering the following question (posted on GMAT Club by Math Revolution) in 2 minutes: https://imgur.com/4u1wCgb
Debrief...

By Brent Hanneson - July 1, 2020
In this very short article, we’ll examine a common phenomenon that can prevent you from maximizing your quant score.
The phenomenon: students often fail to view mathematical properties in both directions....

By Brent Hanneson - June 9, 2020
Here's a common phenomenon I see when tutoring:
SETUP: After reading a Critical Reasoning passage, the student begins analyzing the answer choices to determine which one best strengthens the conclusion....