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 number comes next in this sequence:
7 8 5 5 3 4 4 _

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

What Time Should the last watch show in the below figure?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

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

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Can you move 2 matchsticks to form four equal sized squares.