What do you mean by aisle?

A)
Height of seat from floor
B)
Passage between two rows
C)
Length of one seat plus height of seat of second row
D)
Height of seat measured height of next respective seat

Correct Answer :   Passage between two rows


Explanation : Aisle is nothing but passage between 2 rows of seats. Aisle can be used to determine a typical number of seat rows in passenger compartment of the aircraft.