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: 
2
Points: 
9

Calculate the number 5297

NUMBERMANIA: Calculate the number 5297 using numbers [4, 1, 9, 5, 50, 835] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Anagram: DEBIT CARD! (3,6)

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Correct Answers: 
4
Points: 
7

What hides this stereogram?

Category: 
Correct Answers: 
61
Points: 
1

What a winning 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.
Category: 
Correct Answers: 
4
Points: 
7
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