Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Can you start the fire using two pieces of wood?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

People make me, save me, change me, raise me. What am I?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Solve this riddle by finding the odd one out from the rest.

How many words can a pen with half refill write?