Helpful Colin

"Investigation and Reason Give Understanding"

Tag: hourglass

  • Google’s Employment Applicant’s Hourglass Problem

    Google’s Employment Applicant’s Hourglass Problem

    Ref: March 2012 issue of Wired magazine. It seems the Google job interview process requires a problem to be solved. I’ll take this hourglass problem, “Using only a four-minute hourglass and a seven-minute hourglass, measure exactly nine minutes.” Solution Principle: Use one hourglass to measure out a smaller amount of time on the other hourglass. Repeat until…