What Will be The Average of New Numbers?

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

  1. 7
  2.  9
  3.  82
  4.  84
Harsh Vardhan Professor Asked on 24th July 2015 in Maths.
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  • 1 Answer(s)

    Answer: (4) 84
    Explanation:-
    The average of 10 numbers = 7
    Then, the total of 10 numbers = 10 x 7 = 70
    If every number is multiplied by 12,
    Then, the average of new numbers = 12 x 7
    = 87
    Hence, the answer is (4) 84

    Anurag Mishra Professor Answered on 25th July 2015.
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