Average of ten numbers is 7. If every number is multiplied by 12, what will be the average of new numbers?


A) 7

B) 9

C) 82

D) 84

Correct Answer:
D) 84

Description for Correct answer:
Here, initial average = 7

As we know that, if all the numbers are multiplied by a certain number, then their average must be a multiple of that number.

Therefore, New average = \( \Large 7 \times 12 \) = 84

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