81 x 9 = 801. What must you do to make the this equation true?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

What does a man do only once in his lifetime, but women do once a year after they are 29?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

who is silent in the parliament?

There was a strange boy who was born before his father. How can this be possible?

Why is it very easy to weigh a fish?

10+10 and 11+11 can give you the same answer.

Explain how?

What has a bottom at the top?