SOLUTION: Consider all positive integers with three different digits. (Note that zero cannot be the first digit.) Find the number of them which are: (a) greater than 700; (b) odd; (c) divi

Question 1150507: Consider all positive integers with three different digits. (Note that zero cannot be the first digit.) Find the number of
them which are: (a) greater than 700; (b) odd; (c) divisible by 5.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

After reading your post, it is UNCLEAR to me:

    should I consider 3 different/separate cases for each condition

or

    all the three conditions must be satisfied simultaneously ?

Please clarify.

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