## SUDOKU

November 18, 2013

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

## Bilkent IEEE Weekly Puzzle

November 11, 2013

#6 – Queens You are to place as many queens as you wish on a standard chessboard. In doing so, you must place an odd number of queens in each row and column. In

## SUDOKU

November 11, 2013

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

## Bilkent IEEE Weekly Puzzle

October 30, 2013

#5 – Two Balls Two balls, each either black or red, are placed in a bag. You draw a ball from the bag, which contains at least one red ball. If the ball you

## SUDOKU

October 30, 2013

Here are five Sudoku puzzles. Fill in the numbers so that each row, column and 3×3 grid contains all of the digits 1 to 9. Submit the contents of the diagonal going from the

## Bilkent IEEE Weekly Puzzle

October 21, 2013

#4 – Figures How many numbers greater than 1,000 are there consisting of four different figures that go in ascending order from left to right? The Prize for This Question: Rubik’s Mini 2 x

## SUDOKU

October 21, 2013

Here are five Sudoku puzzles. Fill in the numbers so that each row, column and 3×3 grid contains all of the digits 1 to 9. Submit the contents of the diagonal going from the