Maximum mathematical cubes answered arbitrarily in reverse order in 5 minutes
The record for answering the maximum number of mathematical cubes arbitrarily in reverse order in 5 minutes was set by Subhash Chandra Betal (born on January 10, 1988) of Hooghly, West Bengal. He answered 31 mathematical cubes arbitrarily in reverse order (from 100 to1) in 5 minutes, as confirmed on November 17, 2021.