Puzzle

November 17, 2014

Here are three puzzles: a Samurai Sudoku, and two regular Sudokus. The Samurai Sudoku puzzle is made up of five smaller Sudoku puzzles: one in the center and the other four overlapping the corner

IEEE Weekly Puzzle #25 – 10 Steps

November 10, 2014

Beginning with any number you want, you will add the larger digit of that number to itself, and then proceed to do the same with each sum in a series of steps to obtain

SUDOKU

November 10, 2014

Here are three puzzles: a Samurai Sudoku, and two regular Sudokus. The Samurai Sudoku puzzle is made up of five smaller Sudoku puzzles: one in the center and the other four overlapping the corner

IEEE Weekly Puzzle #24 – Dots

November 3, 2014

There are X number of dots on a sheet of paper. All of the dots are connected by one-way arrows. Each dot has exactly ten arrows pointing toward it and ten arrows pointing away

SUDOKU

November 3, 2014

Here are three puzzles: a Samurai Sudoku, and two regular Sudokus. The Samurai Sudoku puzzle is made up of five smaller Sudoku puzzles: one in the center and the other four overlapping the corner

SUDOKU

October 20, 2014

Here are three puzzles: a Samurai Sudoku, and two regular Sudokus. The Samurai Sudoku puzzle is made up of five smaller Sudoku puzzles: one in the center and the other four overlapping the corner

IEEE Weekly Puzzle #23 – Three-Digit Integer

October 20, 2014

The following facts are known about a three-digit integer: • The sum of its tens and units digits is equal to its hundreds digit. • It can be divided by 17 without any remainder.