Tuesday, July 27, 2021

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Deepak Nagar – Fastest Mental Math Calculation

National Record 2019 – Fastest Mental Math Calculation 

DEEPAK NAGAR (Born Aug 27, 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

With following Details



Category  Detail  Final Score

(Correct Sums)

Time Taken


MULTIPLICATION 50-Digit X 1-Digit 5 Sums 5 min
ADDITION 8-Digit (3 Row) 11 Sums 1 min
MULTIPLICATION 25-Digit X 1-Digit 3 Sums 1 min
ADDITION 6-Digit (2 Row) 28 Sums 1 min


20-Digit / 1-Digit 2 Sums 1min
ADDITION 6-Digit (3 Row) 14 Sums 1 min
ADDITION 9-Digit (3 Row) 35 Sums 5 min
MULTIPLICATION 50-Digit X 1-Digit 1 Sums 1 min
MULTIPLICATION 40-Digit X 1-Digit 2 Sums 1 min
MULTIPLICATION 20-Digit X 1-Digit 2 Sums 1 min

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