Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

What is harder to catch the faster you run?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. 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?

What has a ring but no finger?

What is the word or phrase below?
R | E | A | D

If an electric train is travelling south, then which way is the smoke going?

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

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What kind of tree can you carry in your hand?