What is abcdef?

a != b != c != d !=e != f
Category: 
Correct Answers: 
13
Points: 
1

Calculate the number 6267

NUMBERMANIA: Calculate the number 6267 using numbers [8, 7, 1, 5, 92, 646] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Find the area of the shaded figure

Express result to the accuracy of 2 decimal.
Category: 
Correct Answers: 
82
Points: 
1

What a winning 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: 
24
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
Enter your answer
OK
enter your answer and press button OK
close