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: 
1
Points: 
10

Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
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Correct Answers: 
39
Points: 
1

CINEMANIA: Guess the movie title

Film was made in 1987.
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Correct Answers: 
0
Points: 
10

Calculate the number 5006

NUMBERMANIA: Calculate the number 5006 using numbers [4, 9, 6, 5, 31, 486] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
1
Points: 
10

Calculate 9*(29+321+151)

FUNNY MATH: Calculate 9*(29+321+151) :)
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Correct Answers: 
2
Points: 
9
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