CR4 - Blog: Challenge Questions https://cr4.globalspec.com/blog/2/Challenge-Questions Copyright 2026 Sun, 31 May 2026 04:00:00 EST https://cr4.globalspec.com <![CDATA[Sensors and Senseless (June 2026 Challenge Question)]]> Sun, 31 May 2026 04:00:00 EST Challenge Questions <![CDATA[Who Watches the Watchmen? (May 2026 Challenge Question)]]> Thu, 30 Apr 2026 04:00:00 EST Challenge Questions <![CDATA[Climbing a Ladder in a Pipe (April 2026 Challenge Question)]]> Tue, 31 Mar 2026 04:00:00 EST Challenge Questions <![CDATA[ Map of the Mystery Maze (March 2026 Challenge Question)]]> Sat, 28 Feb 2026 05:00:00 EST Challenge Questions <![CDATA[Like Ships Passing (February 2026)]]> Sat, 31 Jan 2026 05:00:00 EST Challenge Questions <![CDATA[Winter Wonders (January 2026 Challenge Question)]]> Wed, 31 Dec 2025 05:00:00 EST Challenge Questions <![CDATA[Minesweepers Mapping (December 2025 Challenge Question)]]> Sun, 30 Nov 2025 05:00:00 EST Challenge Questions <![CDATA[Inside the Wire (November 2025 Challenge Question)]]> Fri, 31 Oct 2025 04:00:00 EST Challenge Questions <![CDATA[Steam Train Showtime (Oct. 2025 Challenge Question)]]> Tue, 30 Sep 2025 04:00:00 EST Challenge Questions <![CDATA[Algebraic Enigma (September 2025 Challenge Question)]]> Sun, 31 Aug 2025 04:00:00 EST Challenge Questions