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A palindrome is a positive integer which reads the same forward and backwards, like 12321 or 8448

How many 4-digit palindromes are divisible by 4?

 Feb 3, 2022
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There are 90 4-digit palindromes. 20 of them are divisible by 4 as follows:

 

(2112, 2332, 2552, 2772, 2992, 4004, 4224, 4444, 4664, 4884, 6116, 6336, 6556, 6776, 6996, 8008, 8228, 8448, 8668, 8888) >>Total = 20 such palindromes.

 Feb 3, 2022

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