it all depends on which airplane your talking about
there is no clear answer to this question as it varies from airplane to airplane
E.G a Learjet can hold aprox 9 people
where as a Jumbo Jet can hold 400-500
1380 people can be seated but another 700 can stand as well!
Two people.
14,000
two
There are many people that improved the airplane. The airplane is still being improved today.
3 people
A single person can build an airplane.
5
500
as many people the president can fit in the white house
59 people
3*2*1 = 6 ways.