Which is a winning combination of digits?

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: 
14
Points: 
1

Calculate the number 6560

NUMBERMANIA: Calculate the number 6560 using numbers [2, 2, 8, 8, 69, 890] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Which number should replace the question mark?

Category: 
Correct Answers: 
17
Points: 
10

Calculate the number 495

NUMBERMANIA: Calculate the number 495 using numbers [6, 1, 8, 2, 41, 536] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
1
Points: 
10

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: 
18
Points: 
8
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