The average weight of 21 boys was recorded as 64 kg. If the weight of the teache

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The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

Options:

A . 86 kg

B . 64 kg

C . 72 kg

D . 84 kg

Answer: Option A

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