# What is hidden in 3D image?

## Calculate the number 1401

NUMBERMANIA: Calculate the number 1401 using numbers [9, 6, 6, 3, 45, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

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Correct Answers:

9

Points:

10

## What number comes next?

Look at the series (1,9,5,49,11,169,17), determine the pattern, and find the value of the next number!

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Correct Answers:

37

Points:

1

## 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:

23

Points:

1