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SASMO 2020 Grade 10 Question 10

SASMO · SASMO 2020 Grade 10

Question 10

Dennis wrote all 3-digit numbers in increasing order. He used red ink for even numbers and blue ink for odd numbers. How many red digits 6 are on the paper?
  1. 185
  2. 195
  3. 280
  4. 900
  5. None of the above