Operation on Whole Numbers Problem 19

Operation on Whole Numbers Problem 19

How many of the following numbers are divisible by 3 but not by 9?

2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

  1. 5

  2. 6

  3. 7

  4. None of these