the numbers 1 to 30 are written on cards. If one card is chosen at random, what is the probability that the number on the card will be? a. even? b. divisible by 6? c. less then 17? d. a factor of 36? e. one with 4 as a digit? f. greater than 12?

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A: According to our guidelines, we can answer only three sub-parts. So, please repost the rest parts.