The average weight of a class of 20 students is 35kgs. If the weight of the teacher is also included with the class weight, the average weight increases by 1kg. What is the weight of the teacher?
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Average of students =35*20/20 Let the weight of teacher be x according to the problem 700+x/21=36 700+x=756 x=56 means teacher. 'weight =56kg
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