The mean weight of a class of 34 students is 46.5 kg. If the weight of
the teacher is included, the mean rises by 500 g. Find the weight of the
teacher.
htfacf 36 students is 41 kg. If one of the student
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Answer:
Total weight without teacher = 34×46.5=1581
Total weight with teacher = (34+1)×(46.5 + .5)=
35×47 = 1645
Therefore weight of the teacher = 1645 - 1581 =
64 kg Ans
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