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

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

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

If your uncle’s sister is not your aunt, what relation is she to you?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Why is a river so rich ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?