Fastest to solve 4 X4 Sudoku puzzles
The record for being the youngest kid to solve 4 x 4 Sudoku puzzles was set by Prisha Praveen (born on November 7, 2016) of Kayamkulam, Kerala (currently residing in Lafayette, Louisiana, USA). She solved five 4 x 4 Sudoku puzzles in 3 minutes and 1 second, at the age of 4 years, 9 months and 24 days, as confirmed on August 31, 2021.