Answer:
You draw a line. Without touching it, how do you make the line longer?
You can see me when two prisons throw light from one side and other side but odd number?
What goes up and never comes down?
You are participating in the swimming finals at the Olympics. In the final few seconds of the race you narrowly pass the swimmer who was in third place. What place did you get?
If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?
It is something you will never see again.