Question

4 digit palindrome

Answer 1

A four digit palindromic number is of the type ‘abba’ where ‘a’ can be 1,2,...,9 and ‘b’ can be 0,1,2,...,9.
eg:- 1001,1111,1221,1331,1441,1551,1661,1771,1881,1991,2001,2002and so on....