A TBM needs to bore a 500 foot tunnel (Riddle) Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Tumblr Telegram LINE Viber Created by Thomas Helbig from Noun Project A tunnel boring machine can only move forward 8 times in increments of 4’s to successfully bore a 500-foot tunnel before the cutter-head needs to be replaced, which cannot happen. How can that be done? See Answer 444+44+4+4+4+500 Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Tumblr Telegram LINE Viber Previous articleThe Boring Company Video GameNext articleElon Musk Calls The Boring Company a ‘Joke’ on the Joe Rogan Experience RELATED ARTICLES A structural engineer asks girl out A Hunter Digs a Tunnel (riddle) A truck carrying a cutter-head gets a flat tire (riddle) John had 2 quarters, 4 dimes, 3 nickels and 2 pennies (riddle) A TBM was built and certified for tunneling service in 2007 (Riddle) A Civil Engineer and a Doctor (Riddle) LEAVE A REPLY Cancel reply Comment: Please enter your comment! Name:* Please enter your name here Email:* You have entered an incorrect email address! Please enter your email address here Website: Save my name, email, and website in this browser for the next time I comment.