93539 is an example of a palindrome (If one reads it from left to right or right to left, it is the same). From, 100-1000, how many of these exist? [I Love Maths]

Please show your working. No cheating.

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OldBrit · 61-69, M

So there's one per 10 ie 101 111 121 etc so 10 per hundred.

10x9 so 90?

Is it that simple?

Riemann · 31-35, M