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The correct answer is C
The average weight of 8 persons increased by 1.5 kg when a person weighing 65 kg is replaced by a new person. What could be the weight of a new person?
Ashish bought 25 notebooks for Rs.1230 from shop A and 12 notebooks for Rs.805 from shop B. What is the average price he paid per book?
There are 40 elements in a data set and their average is 75. If every element is scaled by a factor of 12, compute the new average.