Civil Service Arithmetic Ability Practice Test Results

Question 1
58% answer correctly
What`s the circumference of a circle that has a diameter of 12?
710.61
75.40
37.70
18.85
Question 2
55% answer correctly
A circle has a diameter of 15 inches. What is its approximate circumference?
56.25
1,325.36
47.12
74.02
Question 3
42% answer correctly
Factor this equation: \\(x^2 + 2x - 3\\)
\\(2x(x^2 - 3)\\)
\\(x^2(2 + 3)\\)
(x + 3)(x - 1)
(x - 3)(x + 1)