Tricky riddles

what am Itricky

While I am in air, I am not in oxygen. I am also in water, but not in hydrogen. I am necessary in all animals, but you won't find me in the zoo. Look in all brains and you'll find me there too. What am I?
The Letter A.
66.17 %
201 votes
logictricky

An egg has to fall 100 feet, but it can't break upon landing (or in the air). Its fall can't be slowed down, nor can its landing be cushioned in any way. How is it done?
Drop it from more than 100 feet high. It won't break for the first 100 feet.
65.68 %
75 votes
logicsimpletricky

Romeo and Juliet are found dead in a small puddle of water, surrounded by broken glass. The apartment building they are found in is located next to the city's main train station. How did they die?
Romeo and Juliet are fish. A passing train rattled the shelf their tank was sitting on and knocked it off of the shelf. The tank broke and the fish died from being out of the water.
65.25 %
74 votes
logicmathtricky

If an electric train is going east at 60 miles an hour and there is a strong westerly wind, which way does the smoke from the train drift?
Here is no smoke coming from electric trains.
64.89 %
60 votes