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maths help

rust8y
in Homework Help

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(i) how many odd six-digit palindromic numbers are there?

(ii) how many odd seven-digit palindromic numbers are there in which every digit appears at most twice?

  • 3 weeks later...

Guessing this is late enough that giving away answers now doesn't result in "cheating", so here's my guesses :

 

(i) 500

 

(ii) 4725

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