Dr. Ajay K. Sood, the Principal Scientific Adviser to the Government of India, visited the Centre for Quantum Information, Communication and Computing (CQuICC), IIT Madras, and the Society for Electronic transaction and security (SETS) Chennai on 25th June 2022. A …
Six army regiments each have six officers of six different ranks. Can the 36 officers be arranged in a 6-by-6 square so that no row or column repeats a rank or regiment? This problem was first posed by …
