SAT Math

Category - Number and Operations

Look at the diagram below.

Find (A∩C)\B.
  1. {1,6}
  2. {1}
  3. {6}
  4. {1,2,3,4,6,7,8,9,10,12}
  5. {9,10,12}
Explanation
Answer: C -The result of (A∩C)\B is {6}.

(A∩C)\B = ({1,2,3,4,6,7}∩{1,5,6,8,9,10,12})\\{1,2,4,5,8,11} = {1,6}\\{1,2,4,5,8,11} = {6}
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