Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...
Guinness World Records on MSN

Fastest mental addition of ten 10 digit numbers

Aaryan Shukla set a record for the fastest mental addition of ten 10 digit numbers in 1 minute 18.08 seconds.