Fourteen-year-old Aaryan Shukla from Maharashtra, India, has set six mental mathematics world records in a single day, earning him the title of “the Human Calculator.” His achievements, certified by Guinness World Records, include the fastest time to mentally add 100 four-digit numbers (30.9 seconds), 200 four-digit numbers (1 minute, 9.68 seconds), and 50 five-digit numbers (18.71 […]