Start with any 4 digit no.
in which not all digits are alike.
Arrange them in descending order.
reverse them to make a new no.
and subtract the new no. from the first no..
If you keep repeating this process with the remainders ,you'll( in 8 or less steps)
arrive at number (6174).
Remember to preserve the zeros.
For example, choose 3524:
5432 – 2345 = 3087
8730 – 0378 = 8352
8532 – 2358 = 6174 !!!
note:D.R.Kaprekar is a great indian mathematician.
in which not all digits are alike.
Arrange them in descending order.
reverse them to make a new no.
and subtract the new no. from the first no..
If you keep repeating this process with the remainders ,you'll( in 8 or less steps)
arrive at number (6174).
Remember to preserve the zeros.
For example, choose 3524:
5432 – 2345 = 3087
8730 – 0378 = 8352
8532 – 2358 = 6174 !!!
note:D.R.Kaprekar is a great indian mathematician.
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