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IMAS 2021 — Middle Primary Grades 3–4 — Round 1 Question 22

IMAS · IMAS 2021 — Middle Primary Grades 3–4 — Round 1

Question 22

There are four cards with digits 0, 1, 2 and 3 written on them. Choose any three
cards and arrange them to form all possible three-digit numbers (where 0 is not
allowed to be the leading digit). What is the average of all possible three-digit
numbers that are odd?