## 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 four overlapping the corner

Read More »## IEEE Weekly Puzzle

#16 – Siblings Arda and Berna are siblings. Arda has 5 times as many sisters as brothers. If one of his sisters had been a boy, Berna would have an equal number of brothers

Read More »## 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 four overlapping the corner

Read More »## IEEE Weekly Puzzle

#15 – Question Marks What numbers should appear in place of the question marks? The Prize for This Question: Rubik’s Revolution 3” Cube with LED and Voice/Sound Effects Send your answer to ieee@bilkent.edu.tr by

Read More »## 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 four overlapping the corner

Read More »## IEEE Weekly Puzzle

#14 – Four Numbers The sum of four numbers is equal to 50. The same number is found by dividing one of these numbers by four, multiplying one by four, adding four to one

Read More »## SUDOKU

## IEEE Weekly Puzzle

#13 – Five-Digit Numbers How many five-digit numbers can you formulate, with the condition that two identical digits may not appear in adjacent places? The Prize for This Question: Rubik’s 3×3 Cube Send your

Read More »