In a 1 class configuration 215 seats. In a 2 class configuration 180 seats.
the biggest one can seat 190+
Typically Boeing 737s have a 2 class seating arrangement but they may sometimes also have a 1 class seating arrangement. It depends on the airline.
depending on the variant model, 85- 215 passengers.
2. One under each wing.
747-400 ER 416 seats 23 first class 80 business class 313 economy class