Civil Service Arithmetic Reasoning Practice Test Results

Question 1
40% answer correctly

A machine in a factory has an error rate of 4 parts per 100. The machine normally runs 24 hours a day and produces 40 parts per hour. Yesterday the machine was shut down for 9 hours for maintenance.

How many error-free parts did it produce yesterday?

345.6
36
600
576
Question 2
51% answer correctly
In a class of 37 students, 14 are taking German and 13 are taking Spanish. Of the students studying German or Spanish, 4 are taking both courses. How many students are not enrolled in either course?
14
33
13
27
Question 3
40% answer correctly
How many 5 \\(\\frac{1}{2}\\) gallon cans worth of gas would you need to pour into an empty 14 gallon tank to fill it exactly halfway?
2 \\(\\frac{6}{11}\\)
6 \\(\\frac{1}{2}\\)
2
1 \\(\\frac{3}{11}\\)