Ernő Rubik

Ernő Rubik is a Hungarian inventor, architect and professor of architecture. He is best known for the invention of mechanical puzzles including Rubik's Cube, Rubik's Magic, Rubik's Magic: Master Edition, Rubik's Snake.
Born: July 13, 1944 (age 69), Budapest, Hungary
Education: Budapest University of Technology and Economics

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: 
1
Points: 
10

Which number should replace the question mark?

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Correct Answers: 
17
Points: 
10

Calculate the number 5159

NUMBERMANIA: Calculate the number 5159 using numbers [9, 7, 1, 6, 16, 507] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

How many triangles?

How many triangles?
Category: 
Correct Answers: 
34
Points: 
1
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