Which number is missing?

Which number is missing?
Category: 
Correct Answers: 
78
Points: 
1

Which number should replace the question mark?

Which number should replace the question mark?
Category: 
Correct Answers: 
2
Points: 
9

Calculate A+B

Determine the pattern and calculate A+B. Author: Dejan Marsenic (Serbia)
Category: 
Correct Answers: 
5
Points: 
10

Calculate the number 9782

NUMBERMANIA: Calculate the number 9782 using numbers [3, 3, 5, 8, 53, 837] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
0
Points: 
10

Calculate the number 1924

NUMBERMANIA: Calculate the number 1924 using numbers [9, 5, 9, 1, 21, 106] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Category: 
Correct Answers: 
4
Points: 
7
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