RECORD ATTEMPT OF ANIRUDDHA SAXENA 13 YEARS OLD. 24 KHANUJA ENCLAVE BHOPAL MP INDIA 462039. HE CAN DOUBLE ANY NUMBER IIRESPECTIVE OF NUMBER OF DIGITS MENTALLY. HE DOES DIVISIONS BY 2 OR 5 OF ANY NUMBER INSTANTENEOUSLY. HE CAN DOUBLE A 4 DIGIT NUMBER 10 TIMES IN 10 SECONDS