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Best way to prepare for Oliver Wyman Numerical Reasoning Test

Anonymous A

Hi, what's the best way to prepare for this test? It's 20 mins, 30 qns.

Also does anyone know what the cutoff score usually is for this?



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Francesco replied on 03/04/2018
Ex BCG | MBB Specialist | #1 Expert for coaching sessions (1200+) and recommendation rate (100%)

Hi Anonymous,

when I prepared for it some years ago, I mainly focused on the GMAT, paying a lot of attention to the time constraint.

Topics of the test include:

  • Probability
  • Permutations
  • Percentages
  • Geometry
  • Ratios

The questions are not super hard once you have understood the general logic. The most difficult thing – where many people fail – is the time management. You can find some sample questions at the link below:


As you pointed out, the test is 30 questions in 20 minutes, which means that you have less than one minute per question. Together with the fact that you get penalized for wrong answers, this implies that you should leave blank some questions initially. If you don’t do this you won’t manage to obtain a good performance.

When I did mine, I covered 23-24 questions, skipping 6-7. As I finished with a couple of minutes left, I went back to the previous questions, managing to complete 2-3 additional ones.

Hope this helps,

Vlad replied on 03/05/2018
McKinsey / Accenture / Got all BIG3 offers / More than 300 real MBB cases / Harvard Business School


Agree with Francesco. Several points on my side:

  1. The best way is to go through GMAT Official Guide, concentrating on Math Part. Manhattan guide will give you the right math theory and topics.
  2. Learn Fast Math:
  • Learn how to multiply double digit numbers fast (https://www.youtube.com/watch?v=PYrgjMubh-c)
  • Learn the division table up to 1/11 (i.e. 5/6 = 83.3)
  • Learn how to work with zeros (Hint: 4000000 = 4*10ˆ6)
  • Use math tools (Mimir math for iOS), Math tool on Viktor Cheng website to practice



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