Question 1: Find the value of x if:
x + y + z = 5
x + y - z = 3
x - y = 2
-3  -1  1  3  5 

Question 2: If 1/x is the probability that someone that throws 2 dice gets a 5 and a 6, what is the value of x? Each dice has sides numbered from 1 to 6.
2  6  12  18  36 

Question 3: In the figure below, quadrilateral ABCD has AB parallel with CD. What is the area of triangle ABD?

4  5  6  8  12 

Question 4: If a and b are positive integers such that a·b = 70, which of the following could be the sum a + b?
17  20  22  25  29 

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Courtesy of Free Test Online