The World Record for “FASTEST TO SOLVE 50 ADDITION SUMS OF ONE DIGIT WITH FIVE ADDENDS (PRE-TEEN)” was achieved by HARSHNOOR KAUR on 21st April 2026 from Rush, Dublin, Ireland. 12 years, 2 months, and 14 days old Harshnoor Kaur solved 50 addition sums of one digit with five addends in 1 minute and 4 seconds and has set a new world record for International Book of Records.
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