Civil Service Arithmetic Ability Practice Test Results

Question 1
74% answer correctly
(n + 5)(n + 4) = ?
\\(n^2\\) + 9n + 20
\\(n^2\\) - 20n - 20
\\(n^2\\) - 9n + 20
\\(n^2\\) - 20n + 20
Question 2
69% answer correctly
(n + 9)(n + 8) = ?
\\(n^2\\) + 72n - 72
\\(n^2\\) - 17n - 72
\\(n^2\\) + 17n + 72
\\(n^2\\) - 72n + 72
Question 3
31% answer correctly
A circle has a radius of 8 inches. What is its approximate circumference?
25.13
50.27
201.06
64.00