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      Question

      How many people belong to exactly two

      group? Read the directions carefully and answer the following. In a group of 60 people, all of them belong to at least one group- X, W and Z. 12 people belong only to the Z group. 10 People belong to all the three groups. 4 people have joined the X and Z group but not the W group. 30 people belong to the Z group. 4 people have joined only the X group. 6 people have joined only the W group.
      A 22 Correct Answer Incorrect Answer
      B 24 Correct Answer Incorrect Answer
      C 28 Correct Answer Incorrect Answer
      D 16 Correct Answer Incorrect Answer

      Solution

      People belonging to exactly two groups = (20+4+4) = 28

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