How to succeed in EPSO numerical reasoning tests, volume 2 by José María Franco Reverte

Author:José María Franco Reverte [Franco Reverte, José María]
Language: eng
Format: epub
Published: 2019-12-19T23:00:00+00:00

I mentally check that: 2000 * 1% = 20, so a half (2000 * 0.5%) is necessarily 10.

Finally, I can see that 2000 billion USD is a good estimate of the result, certainly good enough for me to select the right answer among the four options.

Even though you could think that this procedure is similar in extension or maybe longer than our first solution (which was already quite fast with only one division required with your calculator), please note that only the explanation of the reasoning is the longer part, while the mental operations are really easy to be done in a few seconds. In short:

1000 * 1% = 10

2000 * 1% = 20

2000 * 0.5% = 10

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