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?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you find a five letter word that is left with only two letters if one is removed?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Which is faster, Heat or Cold ? Explain.

What am I?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Which number comes next in the number series?

2, 9, 30, 93, ?