A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

How is the moon similar to a dollar?

Who is that with a neck and no head, two arms and no hands? What is it?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What breaks yet never falls, and what falls yet never breaks?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?