National Record 2020 –Â Â Fastest Mental Math Calculation
NANDINI GARG (Born Aug 25, 2004) 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           Â
With following Details
| Category
 |
Category Detail |  Final Score
(Correct Sums) |
Time Taken
 |
| ADDITION
|
3-Digit (10 Row) | 7 Sums | 1 min |
| Â Â Â Â Â ADDITION | 20-Digit (10 Row) | 4 Sums | 5 min |
| Â Â Â Â Â ADDITION | 10-Digit (10 Row) | 10 (SCORE 6.383) | 6.06min |
| MULTIPLICATION
|
8-Digit X 8-Digit | 10 (SCORE 11.192) | 804.15sec |
| ADDITION
|
7-Digit (10 Row) | 11 Sums | 5 min |
| MULTIPLICATION
|
10-Digit X 10-Digit | 3 Sums | 5 min |
| ADDITION
|
1-Digit (300 Row) | 100% ACCURATE | 0.4 |
| ADDITION
|
1-Digit (500 Row) | 100% ACCURATE | 0.5 |
| ADDITION
|
6-Digit (10 Row) | 15 Sums | 5 min |
| MULTIPLICATION
|
8-Digit X 8-Digit | 3 Sums | 5 min |
| MULTIPLICATION | 9-Digit X 9-Digit | 3 Sums | 5 min |
| MULTIPLICATION | 8-Digit X 8-Digit | 1 Sums | 1 min |
| Â Â Â Â ADDITION | 7-Digit (10 Row) | 2 Sums | 1min |
| Â Â Â ADDITION | 10-Digit (10 Row) | 2 Sums | 1 min |
| Â Â Â ADDITION | 10-Digit (11 Row) | 2 Sums | 1 min |
| Â Â Â Â ADDITION | 20-Digit (10 Row) | 1 Sums | 1 min |
| MULTIPLICATION
|
9-Digit X 9-Digit | 1 Sums | 1 min |
