ASVAB Armed Services Vocational Aptitude Battery (#111)

Section: Arithmetic Reasoning

A night watchman is required to check in every 40 minutes while making his rounds, t lis tour of duty extends from 9:00 p.m. to 5:00 A.M If he checks in at the start of his rounds and also when lie finishes, how many times does he check in during the night?

12
13
8
20