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The average weight of 40 students in a class is 45 kg. If the weight is teacher is added, then 1 kg will add up to the average weight. Find the weight of teacher in kg ?

Correct Answer: 86

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Math MCQ: The average weight of 40 students in a class is 45 kg. If the weight is teacher is added, then 1 kg will add up to the average weight. Find the weight of teacher in kg ? | Extra Education