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Odd and Even 3 (Posted on 2016-04-04) Difficulty: 3 of 5
Determine the total number of values of a positive integer N having at most four digits such that:

(i) The digit 1 occurs an odd number of times in N, and:

(ii) Each of the digits 2, 0 and 6 occurs an even number of times in N. (An even number includes zero), and:

(iii ) Any of the remaining six digits may or may not occur in N.

No Solution Yet Submitted by K Sengupta    
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Hints/Tips re: computer solution | Comment 2 of 6 |
(In reply to computer solution by Charlie)

I think you miss something. 

I don't remember my result -  now away from my papers- but it was over 1000.

One of us errs,  will post my solution later.


  Posted by Ady TZIDON on 2016-04-04 23:54:58
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