According to ChinaSmack.com, most Hong Kong elementary school applicants are able to answer this admissions test question in the allotted 20 seconds.
Psst: It’s ok to use scratch paper and a pen or pencil.
Stumped? Here’s the answer and the teaching point …
The post’s title gave a big hint.
When stumped, a common problem solving trick is to “angulate into the problem from a different direct” … or, more simply stated, adopt a different perspective.
Many (most?) people try to attack this question mathematically … i.e. trying decode the underlying logic of the numerical pattern 16-06-68, etc.
This question requires a different approach (from mathematical to visual) and, literally, a different perspective.
To get the answer, just look at the picture upside down.
And, next time a problem stumps you, remember this simple example and attack the problem from a different perspective.