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Ready to Crack 700? Test Yourself Against These Challenging GMAT Questions

Hard GMAT QuestionsSome of my students come to me just needing an above-average GMAT score to be accepted to their target business schools. But many of them are shooting for the upper 600’s — or even to crack 700! — to have the best chance of getting in to the top-tier MBA programs.

If that’s you, you’re going to have to be able to solve even the most challenging of GMAT quant and verbal problems. To help, here’s a link to a list of the Top 20 Hardest GMAT Questions of 2014 as compiled by GMAT Club (based on interactions on their forum):

http://gmatclub.com/forum/hardest-gmat-questions-from-191285.html

After trying your hand at each of those questions, be sure to review the instructor feedback about best practices for solving each of them. Oh, and you’ll notice that a majority of them are Data Sufficiency questions. If you realize that you do in fact need to beef up on your D.S. skills, check out our following two in-depth instructional video lessons that will teach you all of the nuances of GMAT data sufficiency so that you can dominate them in the future:

  1. Data Sufficiency – Part 1: https://www.dominatethegmat.com/video-purchase/a-la-carte-topics/gmat-data-sufficiency-part-1/
  2. Data Sufficiency – Part 2: https://www.dominatethegmat.com/video-purchase/a-la-carte-topics/gmat-data-sufficiency-part-2/

Challenging Bonus Question

Want to challenge yourself even more? 90% of GMAT aspirants were unable to solve the following GMAT Critical Reasoning question.* Try your hand at it and post your answer in the “Comments” area below!

Q: The popular view is that the Ozone layer’s depletion is a real phenomenon, as certain as Neil Armstrong’s landing on the moon. While that may be the case, the attribution of such depletion to man-made chemicals is not true. Mount Pinatubo in the Philippines spewed forth more than a thousand times the amount of ozone-depleting chemicals in one volcanic eruption than all the fluorocarbons manufactured in history by corporations. Mankind can’t possibly equal the toxic output of even one eruption from Pinatubo, much less 4 billion years’ worth of them, so how can it be held responsible for destroying the Ozone?

Which of the following is an assumption on which the argument of the author depends?

A. It would take mankind more than 4 billion years to destroy the Ozone layer.

B. Each molecule of ozone-depleting chemicals released during an eruption of Mount Pinatubo destroys the same quantity of ozone as a molecule of fluorocarbons.

C. The amount of ozone-depleting chemicals released during a single eruption in Mount Pinatubo is much higher than the quantity of fluorocarbons produced by the companies.

D. The molecular structure of ozone-depleting chemicals released during a volcanic eruption does not prevent them from reaching the stratosphere, the layer of the atmosphere where the ozone layer resides.

E. The rate at which an ozone depleting chemical, whether man-made or released in a volcanic eruption, is released is not more important in the destruction of ozone layer than the quantity of chemicals released. 

* This question comes from e-GMAT. View the answer explanation here.