WHAT :- Memorising numbers varying from 0 to 9 in random order like 3,8,5,1,0,3, 6...etc in a limited given time.
WHY :- To know how many random numbers (0 to 9 in random order) a human brain is capable of memorising in a limited given time.
BENEFIT :- First of all, it is fun. Secondly, it develops imagination and creativity. Thirdly, it helps us remembering any information related with numbers such as telephone numbers, historical years and events etc.
RECORD :- My dad has memorised 840 digits in an hour in the 7th Mind Sports Olympiad-2003, Manchester, UK. I memorised 100 random numbers in 15 min at home in 2004 when I was 7 years old.
HOW :- Different strategies may be there. But, I know only 2 strategies.
EXCERCISE :- 95,21,80,35,79,24,02,31,53,76,29,46,02,55,38,49,15,30,04,94.