Question

A class of 45 students has a total weight of 1080 kg. Two students with weights 22 kg and ‘z’ kg leave the class, and a new student with weight (3z + 12) kg joins. The average weight of the class rises by 1 kg. What is the weight of the new student?

A 45 kg
B 57 kg
C 27 kg
D 66 kg
E None of these
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