Calculate the number 6338

NUMBERMANIA: Calculate the number 6338 using numbers [3, 6, 8, 6, 49, 550] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

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.
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Correct Answers: 
18
Points: 
1

What hides this stereogram?

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Correct Answers: 
61
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

What number comes next?

Look at the series (2378, 4994, 6116), determine the pattern, and find the value of the next number!
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Correct Answers: 
25
Points: 
1
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