A riddle in the category think out of the box. This problem can be solved by pre-school children in five to ten minutes, by programmers in an hour and by people with higher eduvation... well, check it yourself!
THE ANSWER
The answer, to the riddle can you solve it faster than a pre-school children, is 2. If you notice in the previous sequences you will see that the result of each code is the number of circles that have the numbers. It becomes understandable why preschoolers solve it easily. Because they do not think complex, but they are observational.
So, the number 8 has two circles, 9 has one circle, 6 has one circle and number 0 has one circle.
So, the number 8 has two circles, 9 has one circle, 6 has one circle and number 0 has one circle.
