the mean weight of 9 students 25 kg every one more student is right in the group the mean is an alert find the weight of the 10th student
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Answer:
250 kg
Step-by-step explanation:
The sum of the weight of the 9 students = 25×9=225 kg . If one more student is joined in the group , then total number of students is 10 , and the mean is 25 . The sum of the weights of the 10 students is 25×10=250 kg
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