Logic Riddles

Question: A shrimping boat is at the docks with a lifeboat hanging off the side 5 meters above the water. If the tides rise at a rate of 1.5 meters per hour, how long would it take for the water to reach the lifeboat.

Question: A boy at a carnival went to a booth ran by a man who said "If I can write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agreed, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50.

How did the man win the bet?

Question: Two is company and 3 is a crowd. What is 4 and 5?

Question: A man is in court for killing his wife. In the closing statements the man's lawyer surprises everyone when he announces "His wife was just missing. Everyone look at those doors. His wife is going to walk in those doors in about 30 seconds."The entire court is silent and the jury stares at the door as the lawyer and the defendant stare at them. After a couple of minutes the lawyer says "See! If you were so sure he killed his wife, you wouldn't be watching that door!"The jury goes into deliberation and comes back almost immediately with a guilty verdict.Why did the jury convict him?

Question: Two men play five sets of tennis together and each win three sets.

How is this possible?