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AMO · 2027 · Grades 8-9 · Self-study SET 24 Question 1

AMO

Question 1

A cuboid has three face areas of 24, 15 and 10 square units. Its side lengths are $a,b,c$. Find $abc+2(a+b+c)$.
  1. 72.5
  2. 49
  3. 90
  4. 85
  5. Insufficient information