Riddles & Brain Teasers

[Sflom]

Riddles and brain teasers provide fun mental exercise.

Here's some riddles for you guys:

1. What is it a man can do standing up, a woman sitting down and a dog on three legs?
2. What is it that a cow has four of and a woman has only two of?
3. I have cities, but no buildings; mountains, but no trees; water, but no fish. What am I?

Think you know the answer to any of them?

 

[Sflom]

Here's the answers for anyone who might be wondering:
1. Shake hands.
2. Legs.
3. A Map.