Find the area of the shaded figure

Express result to the accuracy of 2 decimal.
Category: 
Correct Answers: 
13
Points: 
1

Calculate the number 6191

NUMBERMANIA: Calculate the number 6191 using numbers [9, 3, 4, 1, 58, 472] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

CINEMANIA: Guess the movie title

Film was made in 1987.
Category: 
Correct Answers: 
0
Points: 
10

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.
Category: 
Correct Answers: 
10
Points: 
2

What is hidden in 3D image?

Stereogram - 3D Image
Category: 
Correct Answers: 
139
Points: 
1
Enter your answer
OK
enter your answer and press button OK
close