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?
75.40
18.85
37.70
710.61
Question 2
55% answer correctly
A circle has a diameter of 15 inches. What is its approximate circumference?
1,325.36
74.02
47.12
56.25
Question 3
75% answer correctly
The cube of 7 is ?
77
343
777
36