# Which number should replace the question mark?

FUNNY MATH: Which number should replace the question mark?

Category:

Correct Answers:

3

Points:

10

## Calculate the number 224

NUMBERMANIA: Calculate the number 224 using numbers [1, 7, 6, 1, 24, 729] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Category:

Correct Answers:

0

Points:

10

## Calculate the number 690

NUMBERMANIA: Calculate the number 690 using numbers [7, 8, 4, 5, 10, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Category:

Correct Answers:

10

Points:

3

## 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:

7

Points:

4