Insight on Ramanujan’s Puzzle

One of the most significant mathematicians of India, of 20th century was Srinivasa Ramanujan. He posed several interesting puzzles as his notebook jottings. The entries of his notebooks were today considered to be mathematical treasures. During the period when Ramanujan stayed at Trinity College of Cambridge University, England his Indian friend posed a interesting puzzle which Ramanujan had solved immediately. In this paper, I will introduce that puzzle and provide the way as how Ramanujan could have accomplished the solution in a flash.