The average wieght of 60 students in a class was calculated to be 40 kg. Later, it was found out that the weight of one of the students was calculated as 36 kg, whereas his actual weight was 33 kg. What is the actual average weight of the students in the class?
Explanation
According to the question
Total correct weight = 40×60-36+33
= 2400 - 3
= 2397 kg
The actual average weight of the students in the class
= 39.95 kg
Hence, Option A is correct.
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