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There are 30 students in a class.One student weighing 25kg goes away and a new student joins the class.If the average weight is then increased by 200 grams,what is the weight of new student? ?->(Show Answer!)
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1. There are 30 students in a class.One student weighing 25kg goes away and a new student joins the class.If the average weight is then increased by 200 grams,what is the weight of new student?





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