What can you see in the middle of March and April that you can never see in any other month?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Name a key which is hardest to turn.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?