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  3. Railways
  4. Quantitative Aptitude
  5. Average

Railways Quantitative Aptitude Average Sample Paper Average & Problems on Ages Sample Test Paper-7

  • question_answer
    If average of 25 numbers is 30. If each no. decrease by 10. Then find new average of these no.

    A)  15                   

    B)  20

    C)  30                   

    D)  40

    Correct Answer: B

    Solution :

    [b] Average = 30 ? 10 = 20


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