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### Question Asked by a Student from EXXAMM.com Team

** Q 1720501411. ** The average weight of students in a class is `43 kg`. Four new students arc admitted to the class whose weights are `42 kg`, `36 kg` ,`39 kg` and `42.5 kg` , respectively . Now the weight of the student of the class is `42.5 kg.` The number of students in the begining was.

**CDS 2015 Paper-2**