Which three letters are missing?

Author: Price Valiant (Serbia)
Category: 
Correct Answers: 
9
Points: 
2

Calculate the number 1120

NUMBERMANIA: Calculate the number 1120 using numbers [6, 6, 1, 6, 95, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
2
Points: 
9

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)
Category: 
Correct Answers: 
20
Points: 
1

Calculate the number 1345

NUMBERMANIA: Calculate the number 1345 using numbers [9, 5, 4, 7, 15, 408] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

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.
Category: 
Correct Answers: 
8
Points: 
3
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