Logic Riddles

Question: There are ten horses in a field. They each have a stable. There was a storm one day and struck one of the stables. The stable burned. There are now 9 stables. Every horse has to go in a stable at night. You can't build another stable and you can't fit 2 horses in one stable. How do you fit ten horses in 9 stables?

Question: You have found a mutant algae that doubles in size every hour. It takes 18 hours for one algae plant to take up half of a certain lake.

How long would it take for two of these plants to take up half of the same lake?

Question: What does it mean when you're reading a fortune?

Question: What's higher than mountains, Smaller than trees?

Question: Take your time do not fear Sadly I am never clear My answer stares you in the face Read me over and over just incase My answer will cause you pain But a smile you will gain Today I am like a July evening dream To find my answer you may need a team What am I