Maximum single digits addition and subtraction sums solved in 15 minutes by a kid

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Maximum single digits addition and subtraction sums solved in 15 minutes by a kid

Maximum single digits addition and subtraction sums solved in 15 minutes by a kid

The record for solving the maximum number of single digit additions and subtractions in 15 minutes was set by Ridhika Koli (born on August 6, 2017) of North 24 Parganas, West Bengal. She mentally added 96 single digit numbers non-stop for fifteen minutes and answered 89 questions correctly using the Abacus method, at the age of 4 years, 9 months and 25 days, as confirmed on May 31, 2022.