Civil Service Arithmetic Ability Practice Test Results

Question 1
52% answer correctly
Solve this equation for a: \\(a = \\frac{b^8}{b^4}\\)
\\(b^{12}\\)
-4b
\\(b^4\\)
\\(b^{\\frac{8}{4}}\\)
Question 2
79% answer correctly
Which of the following is the symbol for greater than?
<
≥
>
≤
Question 3
45% answer correctly
\\((3 - 15) \\times 9 - 15 \\div 4\\) = ?
-135.75
-111.75
-30.75
18