Questions & Answers about ¿Qué edad tendría el volcán?
Why does the translation say "was" when tendría means "would have"?
This is the main focus of your current lesson: using the conditional tense for probability or conjecture in the past. Instead of literally meaning "would have," tendría is used here to mean "I wonder how old it was" or "how old it must have been."
Why do we use qué edad instead of a direct translation of "how old"?
How is this different from asking "¿Qué edad tenía el volcán?"?
Does this sentence have to be a rhetorical question?