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: 
4
Points: 
7

Calculate the number 1308

NUMBERMANIA: Calculate the number 1308 using numbers [5, 9, 8, 7, 92, 878] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Calculate the number 544

NUMBERMANIA: Calculate the number 544 using numbers [9, 2, 1, 8, 89, 329] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order

GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order
Category: 
Correct Answers: 
17
Points: 
1
Enter your answer
OK
enter your answer and press button OK
close