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    Question

    How many people belong to both X and W

    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 20 Correct Answer Incorrect Answer
    B 38 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer

    Solution

    Number of people who belong to both X and W group = (20 +10) = 30

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