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?

How many words can a pen with half refill write?

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

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

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

Forwards I am heavy, backward I am not. What am I?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

How can you make a TV, a bed, a dog, and a car liquid?