Answer:
What is the building that you leave without ever having entered.
There were 5 children in a room. Iris drew a picture, Barry played video games, Andrew played chess, and Trina read a book. What is the fifth child, Mindy, doing?
What is as big as you are and yet does not weigh anything?
What starts with an E, ends with an E & only contains one letter but is not the letter E
A traveller moved from North to East then to West and lastly South.. What was he looking for?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?