What hides this stereogram?

Stereogram - 3D Image
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Correct Answers: 
60
Points: 
1

Calculate the number 3144

NUMBERMANIA: Calculate the number 3144 using numbers [9, 7, 2, 6, 55, 176] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

What number comes next?

Look at the series (1, 32, 243, 1024), determine the pattern, and find the value of the next number! (Author: Dejan Marsenic)
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Correct Answers: 
20
Points: 
1

Find the area of the shaded figure

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