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The average weight of 24 students in a class is 35 kg. if the weight of the teacher is included, the average weight rises by 400 gms. Find the weight of the teacher. |
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Answer» Total weight of 24 students = (24 × 35) kg = 840 kg Total weight of 24 students and the teacher = (25 × 35.4) kg = 885 kg Weight of teacher = (885 – 840) kg = 45 kg |
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