It would be helpful if you attached the table to solve this question
<u><em>20</em> palindromes exist that qualify this criteria rigorously</u>
Examples:
52025, 52125, 52225, 52325, 52425, 52525, 52625, 52725, 52825, 57975 etc.
Reduced to 12/10 when dividing both by 6. can be reduced further to 1 2/10 and even further to 1 1/5.
Answer:
2
Step-by-step explanation:
8+6+4+2+1 =21
Total 21 dots/observations
Centre at 11th dot which corresponds to 2
