Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
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Correct Answers: 
6
Points: 
5

Which number should replace the question mark?

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Correct Answers: 
222
Points: 
1

Which number should replace the question mark?

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Correct Answers: 
17
Points: 
10

Calculate 256 + 256

FUNNY MATH: Calculate 256 + 256 :)
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Correct Answers: 
17
Points: 
3

What is abcd?

Author: Nebojsa Jevtovic
Category: 
Correct Answers: 
39
Points: 
1
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