A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

There is something which you can be arrested for attempting but not for successfully completing.

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What country can make you shiver?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?