# Which three letters are missing?

## 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.

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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)

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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.

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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.

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Correct Answers:

8

Points:

3