A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you count the number of triangles in the given picture?

What can you see in the middle of March and April that you can never see in any other month?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?