Tag Archives: riddle

Engineering Riddle – No. 1 (Math) “I may cross once, I may cross twice…”

Posted on July 25, 2014 by Kenneth Richard Hardman

I may cross once, I may cross twice, I may cross never, but never thrice. When starting up, I finish down, I finish up, when starting down. I have three parts, some friends would say, One straight, one curved, one same all day. … Continue reading →

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