# Which number should replace the question mark?

## 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:

25

Points:

1

## 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:

15

Points:

1

## Calculate the number 4460

NUMBERMANIA: Calculate the number 4460 using numbers [1, 1, 4, 7, 63, 804] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Category:

Correct Answers:

0

Points:

10

## Calculate the number 252

NUMBERMANIA: Calculate the number 252 using numbers [6, 6, 8, 7, 88, 990] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Category:

Correct Answers:

0

Points:

10