Questions 16to 19are based on following passage. This brand new aircraft is designed with four classes of service:First Class, Business Class,Premium Economy Class and Economy Class,meeting passengers’various needs. 16.How many seats are there on board this new plane? A.66 B.120 C.233 D.365 Where can you probably find your seat if your ticket is the Premium Economy Class? A.Rows 11-15 B.Rows 31-37 C.Rows 38-64 D.Rows 80-87 How many classes of passengers can use the central bar? A.1 B.2 C.3 D.4 Which class is provided with a locker? A.First Class B.Business Class C.Premium Economy Class D.Economy Class