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SASMO 2017 Secondary 2 (Grade 8) Contest Question 12

SASMO · SASMO 2017 Secondary 2 (Grade 8) Contest

Question 12

How many numbers do appear in both sequences below?
9,14, 19, 24, ..., 494,499
9, 16, 23, 30, ..., 492, 499

Question illustration
  1. 13
  2. 14 €, 15
  3. See the source image for option C.
  4. 16 BE. 17
  5. See the source image for option E.