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In the figure a rectangle, a circle and a triangle overlap. Divide the sum of the numbers lying in at least two figures by the number lying in all three. What is the result?

Competition practiceVenn Diagrams
  • A9
  • B36
  • C10
  • D40

Step-by-Step Solution

At least two figures: 12, 18, 6 and 4, sum 40. The number in all three is 4, so . 9 leaves the 4 out of the sum, 36 is that smaller sum, and 40 forgets to divide.
Answer: C) 10

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