The average weight of 21 boys was recorded as 64 kgs. If the weight of the…
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The average weight of 21 boys was recorded as 64 kgs. If the weight of the teacher was added, the average increased by one kg. What was the teachers’ weight?
- A.
86 kgs
- B.
64 kgs
- C.
72 kgs
- D.
98 kgs
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