The World Record for “FASTEST TO ANSWER 50 ADDITION SUMS OF TENS VALUES WITH SINGLE DIGIT (PRESCHOOLER)” was achieved by F. KHIZAR HASSAN on 17th July 2025 from Hindupuram, Andhra Pradesh, India. 3 years, 6 months, and 7 days old F. Khizar Hassan, student of Vidya Vriksh International Preschool, answered 50 addition sums of tens values with one digit in 1 minute 32 seconds and has set a new world record for International Book of Records.
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