Under: Abacus
World Record in Coiling Knife Rotation with Abacus-A New world record created by ABIN.I solving 50 mental math sums in 5 Minutes while Performing Coiling knife record organized by Rehabindia charitable trust Associated with Panchayat union Primary School,Ettunaickepatti at kovilpatti Tamilnadu India on December 29 2024
