it means 'How many seconds are (there) in a minute?'
Uno minuto mas -One minute more
it means: how many are we today?
"How old is your grandmother?"
Cuantos = "How many" or "How much" Cuantos(pl, cuanto, sing) means how many. I think you'd mistaken cuantos for cantos. Cantos(pl, canto, sing) means sides.
Gibberish. Tu cuantos = Your how many Tú cuantos = You how many
The phrase "entonces tu cuántos años tienes tú" translates to "so, how old are you?" in English.
"How many days are there in a year?"
It means: "How many days are there in this month?"
cuantos años TIENE how old are you
This phrase translates to "How many years are in a century?" in English.
"How many Kilometers are from Tamaulipas to Tabasco, Mexico?"
Sin acento en cuantos como está escrito (without accent on "cuantos"):The number of chairs.