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: 
5
Points: 
6

Determine the value of the number ABCD

Determine the value of the number ABCD
Category: 
Correct Answers: 
8
Points: 
3

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: 
16
Points: 
1

Calculate the number 2551

NUMBERMANIA: Calculate the number 2551 using numbers [9, 3, 7, 3, 60, 878] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10
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