Chennai (Tamil Nadu) [India], November 4 (ANI/NewsVoir): Chennai Trade Centre buzzed with more than 7000 student geniuses from various parts of India, at the 40th National Abacus Competition Festival 2022, organised by Brainobrain Kids Academy Private Limited. There was a high-flying enthusiasm at the entry gate of Chennai Trade Centre, where thousands of smiling kids in green made a beeline, waiting for the announcements. After a few minutes, they started marching into the hall, with their abacus as if they were holding a sword. Be it the way the children walked in straight lines to their seats or the way the question papers were distributed and announcements were made or the way the children solved the paper using mental arithmetic - everything happened in surgical precision as if they had rehearsed a number of times. The discipline and commitment displayed were extraordinary. The kids solved around 60 pretty complex sums in just 3 minutes time. Some of them made quick negotiations i