Question:medium

Let A,B,C be finite sets. Suppose that n(A)=10, n(B)=15, n(C)=20, n(A∩ B)=8 and n(B∩ C)=6. Then the possible value of n(A∪ B∪ C) is

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When triple intersections are not fixed, multiple values of union are possible.
Updated On: Mar 19, 2026
  • 26
  • 27
  • 28
  • Any of the three values 26, 27, 28 is possible
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The Correct Option is D

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