Logic Riddles

Question: If it takes three men two days to dig a hole, how long does it take one man to dig half of a hole?

Question: A deaf man steals a blind man's car. The only person who sees it is a dumb man (he is unable to talk).

How does he tell the blind man his car was stolen without the use of sound?

Question: A man in New York City has $10. He spends $6.50 on flowers, and $3 on lunch (hot coffee and a hot dog). He then gets on the subway which will take him 7 stops for 50 cents. But he is forced to get off of the subway just 5 stops away from where he began.

Why is this?

Question:

John has some chickens that have been laying him plenty of eggs. He wants to give away his eggs to several of his friends, but he wants to give them all the same number of eggs. He figures out that he needs to give 7 of his friends eggs for them to get the same amount, otherwise there is 1 extra egg left.

What is the least number of eggs he needs for this to be true?

Question: After looking for his long lost brother that he has never met before, Justin is able to learn his brother's home address and name. When he shows up at his house he finds a fireman, a police man, and a mechanic watching television. He immediately hugs his brother.

How does he know which one is his brother?