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Did Shakuntala Devi achieve her Guinness World Record in multiplication, addition, subtraction or division?

  • Addition

  • Subtraction

  • Division

  • Multiplication

Answer

Shakuntala Devi, an Indian mathematician, achieved her Guinness World Record in mental calculation of multiplication. In 1980, she computed 231 x 793 in 14.2 seconds, which is equivalent to 18,948,679. She was also known for her ability to calculate prime numbers and square roots.
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