I have feet, but no legs. Which animal Am I?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

What does below pictogram mean?

Can you name some countries which do not have the alphabet 'A' in them?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

81 x 9 = 801. What must you do to make the this equation true?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you spot the hidden girl in the picture below?

Who can jump higher than a Mountain?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?