Priyanshi Somani is a fifteen year old girl who can perform amazing mental calculations. She was the youngest competitor in the Mental Calculation World Cup in 2010 at twelve years old and won the overall title. She is the only participant in the history of the competition who has achieved 100% accuracy in addition, multiplication, and square roots.
In this competition, Priyanshi Somani was required to extract square roots from six digit numbers up to eight digits and managed to do it in 6 minutes and 51 seconds. She also added 10 numbers with 10 digits and multiplied 2 numbers of 8 digits with 100% accuracy.
She also has a World Cup record in calculating square roots as she solved 10 square roots correctly in 6 minutes and 28 seconds on June 7, 2010.
Priyanshi Somani is featured in the Limca Book of World Records and the Guinness Book of World Records. She has also been named the Indian Ambassador for the World Maths Day in 2011.
Source: http://en.wikipedia.org/wiki/Priyanshi_Somani
oh wow, that's so cool! I wish i could preform big calculations in my head.
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