Find Out the Mean

The mean of 12,22,32,42,52,62 and 72 is :

  1. 30
  2. 20
  3. 27
  4. 25
Monis Rasool Professor Asked on 13th September 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 20 

    Anurag Mishra Professor Answered on 28th March 2016.
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