Hellow guys, Welcome to my website, and you are watching Riddle! How many number 9s does the carpenter need? #riddle #maths #riddleoftheday. and this vIdeo is uploaded by The Maths Guy! at 2023-06-01T00:56:59-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.