Wednesday, 22 July 2015

Brain Teaser - Solve This Puzzle

This problem can be solved by pre-school children in 5 to 10 minutes, by programmers in an hour and by people with higher education ..... well check it out yourself !

8809 = 6           5555 = 0
7111 = 0           8193 = 3
2172 = 0           8096 = 5
6666 = 4           1012 = 1
1111 = 0           7777 = 0
3213 = 0           9999 = 4
7662 = 2           7756 = 1
9313 = 1           6855 = 3
0000 = 4           9881 = 5
2222 = 0           5531 = 0
3333 = 0           2581 = ?

Answer 


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2581 = 2 

The pattern counts the number of circles in each 4 digit number. 

For example, 0000 = 4 and 8888 = 8

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