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AMO · 2027 · Grades 2-3 · Self-study SET 20 Question 6

AMO

Question 6

The place cards shown are folded along the dotted line so that only a number or letter is visible. Chrissy enters the room and sees all five place cards, with at least 2 number cards being shown. The sum of the numbers she sees is less than 8. How many different sets of numbers are there?

Question illustration

Enter one whole number, without units.