## PUZZLE… PUZZLE… PUZZLE…

March 23, 2015

SAMURAI SUDOKU & SUDOKU 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

## IEEE Weekly Puzzle #35 – 9-Digit Numbers

March 23, 2015

You are to generate 9-digit numbers, using the numbers 1 to 9 once in each. The conditions are: – Consecutive numbers may not be next to each other. – Two odd or two even

## IEEE Weekly Puzzle #34 – Train

March 9, 2015

A train journey took 7.5 hours. Given that the train traveled each 75km section of the tracks in exactly 1 hour, what would be its maximum average speed? The Prize for This Question: Toshiba

## PUZZLE… PUZZLE… PUZZLE…

March 9, 2015

SAMURAI SUDOKU & SUDOKU 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

## IEEE Weekly Puzzle #33 – Same Digits

March 2, 2015

The following is known about a number: -It is a square number. -It consists of at least 4 digits. -The first and last two digits of the number are the same (AB…AB). What is

## PUZZLE… PUZZLE… PUZZLE…

March 2, 2015

SAMURAI SUDOKU & SUDOKU 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

## IEEE Weekly Puzzle #32 – Walking

February 23, 2015

You are walking on a long, straight road. Ten minutes after you start walking, a friend of yours also starts walking. If your friend’s speed is 10% higher than yours, when does he catch