I travel all around the world but always stay in the corner. What am I?

What can jump higher than a building?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

By using 'because' continuously three times, can you make an English statement ?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What is the word or phrase?

I don't get anymore wetter, no matter how much rain falls on me.

Find the Goldfish below the given Image.

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?