Calculate the number 4218

NUMBERMANIA: Calculate the number 4218 using numbers [8, 4, 5, 6, 90, 799] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
2
Points: 
9

Calculate a * b

Category: 
Correct Answers: 
1
Points: 
10

Calculate the number 2145

NUMBERMANIA: Calculate the number 2145 using numbers [7, 3, 4, 2, 14, 680] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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Correct Answers: 
0
Points: 
10

What is abcd?

Author: Nebojsa Jevtovic
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Correct Answers: 
39
Points: 
1

Find the area of the shaded figure

Express result to the accuracy of 2 decimal.
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Correct Answers: 
17
Points: 
1
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