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  • Question
  • Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ?


  • Options
  • A. 134
  • B. 137
  • C. 139
  • D. 141

  • Correct Answer
  • 137 

    Explanation
    This can be done as,
     
    (11 × 92)  -  (5 × 89)  -  (5 × 86) 
     
    = 1012- 445 - 430 = 137
  • Tags: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

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