SOLUTION: How many 3 digit palindromes are divisible by 9?

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: How many 3 digit palindromes are divisible by 9?       Log On


   



Question 1148255: How many 3 digit palindromes are divisible by 9?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How many 3 digit palindromes are divisible by 9?
-----------
To be divisible by 9, the sum of the 3 digits must be 9 or a multiple of 9.
----------------
171
252
333
414
585
666
747
828
909
999
===============
And 090 and 000 is that's accepted.