33. The average weight of 18 students in a class is
decreased by 500 grams when one of the students who
weighs 50kg is replaced by a new boy?
A) 40 kg
B) 43 kg
C) 41 kg
D) 59 kg
Answers
Answered by
1
Answer:
b
Step-by-step explanation:
It should be average decrease of all 188 students that's why different will be 7 and we get 50-7=43
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