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AMO · 2027 · Grades 2-3 · Self-study SET 24 Question 11

AMO

Question 11

$\overline{A6B}$ is a three-digit odd multiple of 15. If its digit sum is 15, find $A\times B$. The bar denotes the number with digits A, 6, B.

Question illustration

Choose one option.
  1. 0
  2. 20
  3. 5
  4. 35
  5. 15