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12 April, 12:15

The mean weight of 25 student in a class is 58kg. The mean weight of a class of 29 students is 62kg. Find the mean weight of all the students

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  1. 12 April, 12:34
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    weight of 25 students

    25 * 58 = 1450kg

    weight of 29 students

    29 * 62 = 1798kg

    total students = 25 + 29 = 54

    total weight of students = 1450 + 1798 = 3248

    mean weight of all students = 3248/54 = 60.19kg
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