How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Why is a river so rich ?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

When is the top of a mountain similar to a savings account?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

I can write cow in 13 letters.

Can You?

If two's company, and three's a crowd, then whats four and five ?

What has many teeth, but cannot bite?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.