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