Multiple Choice Questions on For x gt 0 if a variable takes discrete values x 4 x minus 3 5 x minus 2 5 x minus 3 x minus 2 x 0 5........... for CDS Exam Preparation

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Multiple Choice Questions

For x gt 0 if a variable takes discrete values x 4 x minus 3 5 x minus 2 5 x minus 3 x minus 2 x 0 5...........

Quantitative Aptitude (CDS) Average
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    For x > 0, if a variable takes discrete values x + 4, x − 3.5, x − 2.5, x − 3, x − 2, x + 0.5, x − 0.5, x + 5, then what is the median?

    x – 1.25

    Correct Answer

     x – 0.5

    Incorrect Answer

     x + 0.5

    Incorrect Answer

     x + 1.25

    Incorrect Answer
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    Explanation:

    Data in ascending order be
    x -3.5, x-3, x-2.5, x-2, x-0.5, x+0.5, x+4, x+5
    Here number of term is even.
    Median = ((n/2)th term+(n/2+1)th term)/2
    =(x−2+x−0.5)/2=(2x−2.5)/2=x−1.25

    By: Munesh Kumari
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