Logic Riddles

Question: A tomato vine is 3 meters long. The bottom foot of the vine doesn't grow any tomatoes but the rest of the vine grows a tomato every 5 inches.

How many vegetables can grow off of the vine?

Question: Wednesday, Tom and Joe went to a restaurant and ate dinner. When they were done they paid for the food and left. But Tom and Joe didn't pay for the food.

Who did?

Question: It takes ten men ten hours to build a certain wall. How long does it take five men to build the same wall?

Question: I'm not a pool, a tree, a slave, a website, or a shirt.

What am I?

Question: A smart landscaper is given the task of placing 4 trees so that they are all the same distant away from each other.

How does he do this?