Logic

What always comes into a house through the keyhole?

The yellow house has yellow window, the red house has red windows, what colour windows does the green house have?

I have two coins, one is marked George I and one is marked George IV. One is genuine but one is a forgery. Which is the forgery?

In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?

Riddles and Answers