Aaryan Shukla, a brilliant student of Delhi Public School (DPS) Nashik and a Guinness World Records for the fastest time to mentally add 50 five-digit numbers in just 25.19 seconds, has been crowned the World Champion at the Mental Calculation World Cup-2024, held at the Heinz Nixdorf Museums Forum in Paderborn, Germany from September 13-15, 2024. Aaryan scored an extraordinary …