Logic Riddles

Question: At work a lady is requested to move a 2 ton machine with out any assist.How is she able to move the item?

Question: What comes down and never goes up?

Question: You have bag, you put a lump of metal into the bag, then you put a lama into the bag, then you put something else into the bag, and yet the bag weighs nothing. Why?

Question: in all of written history I won't show up at the end of a sentence but I will be there in the end . . .

Question: Bill was a Pilot. He was going to retire. But before he retired he wanted to do one more flight over the Atlantic Ocean (Other people were on the plane). Bill crashed (To no surprise, he was 94) and every single person on the plane died. The next week Charlie Marcial was interviewed on a T.V. show. He was famous because he survived Bill's last plane crash. How is this possible?