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Australian AMC 2013 - Upper Primary Question 17

AMC AUSTRALIA · Australian AMC 2013 - Upper Primary

Question 17

Each of the faces of 2 discs has a different whole number on it. The numbers on two of the faces are shown.

Question illustration

If the discs are tossed, the possible sums of the numbers showing are 10, 11, 12 and 13. What is the product of the two numbers that are on the other side of these two discs?
  1. 24
  2. 25
  3. 30
  4. 32
  5. 35