What has a bottom at the top?

What has a ring but no finger?

What is the centre of gravity?

Which flower has two lips?

Can you start the fire using two pieces of wood?

What's the only room from which no one can enter or leave

What is the last thing you take off before bed?

What time is it when an elephant sits on a fence?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

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?