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.
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Correct Answers: 
5
Points: 
6

Calculate the number 1966

NUMBERMANIA: Calculate the number 1966 using numbers [3, 2, 9, 1, 67, 645] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
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: 
2
Points: 
9

Find the area of the shaded figure

Express result to the accuracy of 2 decimal.
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Correct Answers: 
17
Points: 
1

Which is the musician band from the picture?

MUSIC: Which is the musician band from the picture?
Category: 
Correct Answers: 
4
Points: 
8
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