Paul, april, casey, and jared each have a 30-minute appointment scheduled with the research director today. all of today's appointments with the research director start on the hour or half-hour, with the first appointment at 11:00 and the last appointment at 1:00. april's appointment is earlier than jared's and later than casey's. jared's appointment is earlier than paul's. referring to the facts above, which of the following statements must be true?
Which of the following statements MUST be true?
a) April's appointment is at 12:00.
b) Casey's appointment is at 12:00.
c) Jared's appointment is at 12:30.
d) Pau's appointment is at 12:30.