What hides this stereogram?

Stereogram - 3D Image
Category: 
Correct Answers: 
73
Points: 
1

Calculate the number 406

NUMBERMANIA: Calculate the number 406 using numbers [3, 7, 8, 4, 27, 807] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
1
Points: 
10

Calculate the number 6741

NUMBERMANIA: Calculate the number 6741 using numbers [7, 2, 3, 6, 77, 698] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Find the right combination

Category: 
Correct Answers: 
7
Points: 
4

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.
Category: 
Correct Answers: 
28
Points: 
1
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