UPSC CDS 2 2020 GK Paper

• Actress Vidya Balan portrayed the role of Shakuntala Devi in the biopic movie based on the life the noted mathematician.
• Shakuntala Devi (1929-2013), also known as ‘the Human Computer’ due to her quick calculation was a famous mathematician and writer.
• She multiplied two 13-digit numbers in only 28 seconds at the Imperial College, London in 1980 and earned a place in the 1982 edition of the Guinness Book of World Records.
• The numbers, selected at random by a computer, were 7,686,369,774,870 and 2,465,099,745,779 and the correct answer was 8,947,668,177,995,426,462,773,730.
• She also wrote a number of books including Figuring: The Joy of Numbers, The World of Homosexuals, Astrology for You, Mathability: Awaken the Math Genius in Your Child, Perfect Murder.