Logic Riddles

Question: There's a place in the world where the wind blows south then suddenly north.

Where is it?

Question: If you randomly choose one of the following answers to this question, what is your chance of getting it right?

A) 50%
B) 25%
C) 0%
D) 25%

Question: Jack is taking a tour through a museum's American Presidents exhibit. The person leading the tour tells him "We have a picture of each presidency. Currently Barack Obama is the 43rd person to hold the office." But Jack quickly realizes that there are 44 pictures on the wall. But while walking through the exhibit he realizes why this is.

Why is there one too many photos?

Question: How can you throw a ball 20 meters, and have it come back to you without hitting anything?

Question: How do you make the number one disappear by adding to it?