How old is he?
He's sixteen years old.
How old is she?
She's fifteen years old.
How old is __?
He's twenty years old.
How old is she?
She's seventeen years old.
How old is she?
She's thirteen years old.
How old is she?
She's nineteen years old.
How old is she?
She's eleven years old.
How old is he?
He's eighteen years old.
How old is he?
He's twelve years old.
How old is he?
He's fourteen years old.