how to solve "if it takes 5 machines 5 minutes to make 5 widgets.." cognitive reflection test Published 9 years ago • 12K plays • Length 2:04 Download video MP4 Download video MP3 Similar videos 5:00 9 tricky riddles that will blow your mind 3:09 are you a genius? 3 difficult questions (genius test) 2:34 1.8 problem with intuitive thinking
