National Record 2020 –Â Fastest Mental Math CalculationÂ
PARKHI SINGHAL (Born May 4, 2006) Student of Trendz Abacus, Kota (Rajasthan) Performed Mental Math Calculation at Kota on May 26th 2019, Successfully Breaking Previous /Setting New National Records Thus Awarded With National Record 2020
With following Details
| Category
 |
Category Detail |  Final Score
(Correct Sums) |
Time Taken
 |
| +/-ADDITION/SUBTRACTIONÂ Â | 1-Digit (6 Row) | 37 Sums | 1 min |
| DECIMAL | 0.8-Digit (10 Row) | 23 Sums | 1 min |
| ADDITION | 7-Digit (5 Row) | 20 Sums | 5 min |
| DECIMAL | 2.8-Digit (20 Row) | 18 Sums | 5 min |
 
