They differ , but the answer your lookong for is 18.
11
A semi truck would easily crush an alligator.
There is no prefix in truck.
A wagon has 4 wheels.
A tram can be a monorail without wheels.
2 wheels
2 wheels
4 Wheels
Concorde has 10 landing wheels - how many internal "wheels" is any ones guess
it has 2 wheels
A velocipede has two wheels
Becaks have Three wheels
a bus has 8 wheels