If the object of each puzzle would be 'solve within 24 hours after posting' and a random winner would be selected, everyone would have the same chance of winning.
But since it is your contest, I think it you should determine the rules.
If the object of each puzzle would be 'solve within 24 hours after posting' and a random winner would be selected, everyone would have the same chance of winning.
But since it is your contest, I think it you should determine the rules.