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2008 AMC 8 Question 22

AMC8 · 2008 AMC 8

Question 22

For how many positive integer values of $n$ are both $\dfrac{n}{3}$ and $3n$ three-digit whole numbers?
  1. $ \ 12 $
  2. $ \ 21 $
  3. $ \ 27 $
  4. $ \ 33 $
  5. $ \ 34 $