Calculate the number 4285

NUMBERMANIA: Calculate the number 4285 using numbers [3, 6, 8, 5, 75, 356] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
1
Points: 
10

What hides this 3D image?

Stereogram - 3D Image
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Correct Answers: 
94
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.
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Correct Answers: 
14
Points: 
8

Which two letters are missing?

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Correct Answers: 
10
Points: 
2

Calculate axbxc

Determine the pattern, and calculate axbxc.
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Correct Answers: 
7
Points: 
5
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