



 
Hi Spence, C) is very much like A) with the one difference that the number must be less than 5000 so the only choices for the first digit are 1, 2, 3 and 4. D) again is similar to A) but the to be even the last digit must be even. Thus the last digit must be 0, 2, 4, 6 or 8. I hope this helps,  


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