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SEAMO 2018 — Paper C — Grade 5–6 Question 17

SEAMO · SEAMO 2018 — Paper C — Grade 5–6

Question 17

Ten cards have primes $2,3,5,7,11,13,17,19,23,29$. Draw a card, record it, replace and shuffle, repeating for four draws. Which of $136,198,455,1925,2018$ cannot be the product?
  1. $455,2018$
  2. $136,455$
  3. $136,198$
  4. $1925,2018$
  5. None of the above