As a question it means, "How many rooms does the house have?"
cuantos años TIENE how old are you
"cuántos cuartos hay en la casa?" means "How many rooms are there in the house" in English.
It doesn't make sense. It means "eight how many quarters."
It means "How many states do you have?"
Nosotros TENEMOS una casa privada = We have a private house ('Tiene' is ungrammatical with 'nosotros')
"How old is your grandma"
How many televisions do you have in your house?
'How many children does your maternal grandmother have?'
I have 2 pesos the house...?
How old is your uncle? ('tio' could also mean 'bloke, fellow')
"La casa de Eva" translates to "Eva's house" in English.
You have to come to my house with my game