Multiple Choice Questions on The average of 50 consecutive natural numbers is x What will be the are average when the next four n........... for CDS Exam Preparation

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Multiple Choice Questions

The average of 50 consecutive natural numbers is x What will be the are average when the next four n...........

Quantitative Aptitude (CDS) Average
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    The average of 50 consecutive natural numbers is x. What will be the are average when the next four natural numbers are also included?

    x+1

    Incorrect Answer

    x+2

    Correct Answer

    x+4

    Incorrect Answer

    x+(x/54)

    Incorrect Answer
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    Explanation:

    Sum of n consecutive natural numbers = n(n+1)/2

    Average of n consecutive natural numbers = (n+1)/2

    For first 50 average = 51/2 = x

    Last 50 average = 55/2 = x+2

    By: Munesh Kumari
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