Calculate the number 2127

NUMBERMANIA: Calculate the number 2127 using numbers [5, 8, 7, 8, 48, 277] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
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Correct Answers: 
28
Points: 
1

Which two letters are missing?

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Correct Answers: 
49
Points: 
1

Which is a winning combination of digits?

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: 
1
Points: 
10
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