Question

an elevator started at the first floor and went up 18 floors. it then came down 11 floors and went back up 16.at what floor was it stopped

Answer 1

Started at first floor
went up 18 floors, so now we are at 1+18 or 19th floor
then cam down 11 floors, so now we are at 19-11 or 8th floor
then went up 16, so now at 16+8 or 24th floor

it stopped at 24th floor