The fastest time to mentally add 200 four-digit numbers is 1 min 9.68 sec, and was achieved by Aaryan Shukla (India) in Dubai, UAE, on 6 December 2024. Aaryan (the 'human calculator') is a serial ...
They get the right answer on the abacus, but when it comes to mental calculation where they look at numbers and calculate in ...
Feb. 12 (UPI) --A 14-year-old "human calculator" from India put his mental math to the test and broke six Guinness World Records in a single day. Aaryan Shukla, 14, of Maharashtra, set his first ...
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