Question

    The average weight of a group of five persons, A, B, C,

    D, and E is 60 kg. If another person K joins the group then the average weight of the group is decreased by 2 kg, then find the weight of K.
    A 48 kg Correct Answer Incorrect Answer
    B 40 kg Correct Answer Incorrect Answer
    C 46 kg Correct Answer Incorrect Answer
    D 47 kg Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total weight of A, B, C, D, and E together = 60 × 5 = 300 kg Weight of K = 58 × 6 – 300 = 348 – 300 = 48 kg

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