the average weight of a class of 24 students is 35 kg. if the weight of the te

Question

the average weight of a class of 24 students is 35 kg. if the weight of the teacher be included, the average rises by 400 g. the weight of the teacher is :

Options:

A . 45 kg

B . 46 kg

C . 47 kg

D . 48 kg

Answer: Option A
Explanation :

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