1.

Let a and b be five-digit palindromes (without leading zeroes) such that a<b and there are no other five-digit palindromes strictly between a and b. Then sum of all possible values of b−a is

Answer»

Let a and b be five-digit palindromes (without leading zeroes) such that a<b and there are no other five-digit palindromes strictly between a and b. Then sum of all possible values of ba is



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