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    Question

    The average weight of 10 students is 45 kg. If a new

    student joins, the average becomes 46 kg. Find the weight of the new student.
    A 48 kg Correct Answer Incorrect Answer
    B 55 kg Correct Answer Incorrect Answer
    C 70 kg Correct Answer Incorrect Answer
    D 56 kg Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total weight before = 10×45 = 450 After joining: 11×46 = 506 New student’s weight = 506 - 450 = 56 kg

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