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SASMO 2018 Secondary 4 (Grade 10) Contest Question 11

SASMO · SASMO 2018 Secondary 4 (Grade 10) Contest

Question 11

: Amadeus finds the arithmetic series 7, 14, 21, 28, ... in his puzzle book. The book
: says that 7! = 1x 2 x...x 7 is part of the arithmetic series. He wants to know
in what term will 7! appear. What is the correct answer to his question?

Question illustration
  1. 110%
  2. 120%
  3. 114%
  4. 140
  5. None of the above