MOST PEOPLE DOING MENTAL CALCULATION USING ABACUS- Abacus World Record Event

MOST PEOPLE DOING MENTAL CALCULATION USING ABACUS (Multiple Venues) " WAS ORGANIZED BY THE WORLDWIDE BOOK OF RECORDS ON 27 FEBRUARY 2022 VIA ZOOM MEETING AND A TOTAL NUMBER OF 310 PARTICIPANTS FROM ALL OVER THE WORLD TOOK PART IN THE EVENT.