Riddle: Theres a three foot tall man who lives on the thirteenth floor. On a regular sunny day he takes the elevator only up to the seventh floor and walks up the stairs for the rest . He takes the elevator down for all floors. On rainy days, he takes the elevator up and down all the floors. Why does he take the stairs up after the seventh floor on a regualr sunny day?
Answer: He walks up the stairs on a regular sunny day because the seventh floor is the highest button he can reach in the elevator. However on rainy days he uses his umbrella to push the buttons, therefore he can reach the button for the thirteenth floor.