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

Find the number of squares in the below picture

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Imagine you are in a room with no windows or doors. How will you get out?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

Can it be possible to build a house that has all its four walls facing towards the South?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

Who has married many women but was never married?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Why do you find that most of the buildings are deprived of the 13th floor?