Dragon Ball 19-20

Goku and krillin are a bit older than their appearance makes them seem to be You’ll find out their ages in one of the upcoming episodes

137 opponents for the elimination round is a large number, but they remained unprepared for Goku, Krillin, and Yamcha's prowess. I was especially glad to see those Orin Temple bullies get repaid in full for their behavior.

The scene of Goku & Krillin pushing that large boulder breaks powerscaling. Cuz it's easily a few thousand tons. Later Buu Saga Goku needs SSJ to lift 40tons. Kid Goku > SSJ Adult Goku Also you asked how old they are but the show will tell you in a few episodes.