1. 24


  1. 0


  1. Digits must sum to a multiple of 3 and the last two digits must be divisible by 4.


  1. 8


  1. 17


  1. 0


  1. 33



  2. 0


  1. 8


  1. The sum of the digits needs to be a multiple of 9 and the last 3 need to be divisible by 8.

Solve all problems before looking at the answers.