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: 
12
Points: 
1

What number comes next?

Look at the series (1, 2, 11, 22, 121, 1012, 2101), determine the pattern, and find the value of the next number!
Category: 
Correct Answers: 
27
Points: 
1

Find the ratio of the areas of two squares

Find the ratio of the areas of two squares. Express result to the accuracy of 3 decimal.
Category: 
Correct Answers: 
14
Points: 
1

CINEMANIA: Guess the movie title

A young recruit in Vietnam faces a moral crisis when confronted with the horrors of war and the duality of man. Film was made in 1986.
Category: 
Correct Answers: 
2
Points: 
9

Calculate the number 2374

NUMBERMANIA: Calculate the number 2374 using numbers [7, 7, 1, 8, 11, 318] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
1
Points: 
10
Enter your answer
OK
enter your answer and press button OK
close