Which number should replace the question mark?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What goes up but never comes down?

I have no life, but I can die. What am I?

I am sure no one can have two things for dinner. what are they?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

What goes through cities and fields, but never moves?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

John was piloting a plane behind a car but was never able to overtake it. Why?

I taste better than I can smell. Who am I?