why number 8549176320 is one of a kind?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

What does this Rebus Picture means ?

Can you place three balls such that the equation shown in the picture holds true?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?