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VTMO 2019 — Grade 3 — semifinal Question 13

VTMO · VTMO 2019 — Grade 3 — semifinal

Question 13

How many three-digit numbers less than $319$ have all digits odd, such as $135$ or $151$?
  1. $30$
  2. $35$
  3. $33$
  4. $34$
  5. $29$