Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What type of tree can I carry in my hand?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

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?

What kind of band never plays music?

How many triangles are there on the puzzle below?

Forwards I am heavy, backward I am not. What am I?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?