National Record 2020 – Fastest Mental Math Calculation
RADHIKA MAHESHWARI (Born August 21, 2005) 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
With following Details
| Category
|
Category Detail | Final Score
(Correct Sums) |
Time Taken
|
| ADDITION
|
3-Digit (4 Row) | 77 | 5 min |
| MULTIPLICATION
|
2-Digit x 2-Digit | 145 | 5 min |
| MULTIPLICATION
|
3-Digit x 1-Digit | 62 | 1 min |
| DIVISION
|
4-Digit/2-Digit | 15 | 1 min |
| DIVISION
|
5-Digit/2-Digit | 5 | 1 min |
| MULTIPLICATION
|
3-Digit x 3-Digit | 55 | 5 min |
| MULTIPLICATION
|
6-Digit x 2-Digit | 9 | 1 min |
| MULTIPLICATION
|
3-Digit x 2-Digit | 91 | 5 min |
| MULTIPLICATION
|
4-Digit x 2-Digit | 68 | 5 min |
| DIVISION
|
2-Digit/1-Digit | 669 | 5 min |
| DIVISION
|
5-Digit/2-Digit | 20 | 5 min |
| SQUARE
|
3-Digit | 12 | 1 min |
| MULTIPLICATION
|
6-Digit x 2-Digit | 35 | 5 min |
| MULTIPLICATION
|
5-Digit x 3-Digit | 29 | 5 min |
| MULTIPLICATION
|
5-Digit x 2-Digit | 49 | 5 min |
| ADDITION
|
15-Digit (10 Row) | 1 | 1 min |
| ADDITION
|
10-Digit (4 Row) | 5 | 1 min |
| MULTIPLICATION
|
4-Digit x 2-Digit | 15 | 1 min |
| MULTIPLICATION
|
30-Digit x 1-Digit | 2 | 1 min |
| MULTIPLICATION
|
3-Digit x 2-Digit | 18 | 1 min |
| MULTIPLICATION
|
20-Digit x 1-Digit | 4 | 1 min |
| MULTIPLICATION
|
5-Digit x 2-Digit | 12 | 1 min |
| MULTIPLICATION
|
4-Digit x 3-Digit | 9 | 1 min |
| MULTIPLICATION
|
25-Digit x 1-Digit | 2 | 1 min |
| MULTIPLICATION
|
5-Digit x 3-Digit
|
7 | 1 min |
