why number 8549176320 is one of a kind?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

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?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What do you think with the below Picture ?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Can you name an animal whose killing cannot be performed without spilling your own blood?