When did Shakuntala Devi achieve her Guinness World Record?
18 June 1980
18 July 1980
18 June 1990
18 July 1990
Answer
Shakuntala Devi achieved her Guinness World Record for mental calculation on 18 June 1980. She was able to multiply two 13-digit numbers in her head in just 28 seconds. This record has since been broken, but it still stands as an incredible feat of mental ability.
Unlocking the Mathemagical Mind: The Shakuntala Devi Quiz!
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