2019 Math Kangaroo Levels 9-10 Problem #27
2019 Math Kangaroo Levels 9-10 Problem #27 27. At each vertex of a square, one positive integer is placed. For any two numbers joined by an edge of the square, one is a multiple of the other. However, for any two diagonally opposite numbers, neither is a multiple of the other. What is the smallest possible sum of the four numbers? (A) 12 (B) 24 (C) 30 (D) 35 (E) 60 Thank you for watching and please like, comment, and subscribe!

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