An elevator starts out at the 1st floor. it goes up 4 floors, down 2 floors, up 5 floors, down 3 floors, up 2 floors and stops. what floor is it now on?

7th floor.

Explanation:

1st floor →→ up 4 floors →→ 5th floor  →→ down 2 floors →→ 3rd floor →→ up 5 floors →→ 8th floor →→ down 3 floors →→ 5th floor →→  up 2 floors →→ 7th floor →→ Stop.

The Wise Orange thinks that you should stop playing with the elevator.