Civil Service Arithmetic Ability Practice Test Results

Question 1
73% answer correctly
Which of the following is an obtuse angle?
40°
140°
50°
25°
Question 2
55% answer correctly
A circle has a diameter of 9 inches. What is its approximate circumference?
28.27
63.62
44.41
286.28
Question 3
51% answer correctly
What`s the square root of \\(25x^2\\) ?
\\(\\sqrt{5}x\\)
5x
\\(5\\sqrt{x}\\)
\\(\\sqrt{5x}\\)