Find hidden text in 3d image

STEREOGRAMS: Find hidden text in 3d image
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Correct Answers: 
49
Points: 
1

Find the area of the orange figure

Express result to the accuracy of 3 decimal.
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Correct Answers: 
20
Points: 
1

CINEMANIA: Guess the movie title

Film was made in 1921.
Category: 
Correct Answers: 
1
Points: 
10

Detect text from stereogram

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Correct Answers: 
48
Points: 
1

Calculate the number 693

NUMBERMANIA: Calculate the number 693 using numbers [8, 7, 3, 2, 33, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10
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