What is The Correct Average?

The average marks of 14 students was 17. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average?

  1. 69
  2. 68
  3. 71
  4. 67
Anurag Mishra Professor Asked on 7th November 2015 in Maths.
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  • 1 Answer(s)

    Answer:  (1) 69 

    Anurag Mishra Professor Answered on 17th November 2015.
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