Multiple Choice Questions on if log105 log 5x 1 log10 x 5 1 then x is equal to ........ for CDS Exam Preparation

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Multiple Choice Questions

if log105 log 5x 1 log10 x 5 1 then x is equal to ........

Quantitative Aptitude (CDS) Logarithm
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    if log105+log(5x+1)=log10(x+5)+1,then x is equal to

    1

    Incorrect Answer

    3

    Correct Answer

    5

    Incorrect Answer

    10

    Incorrect Answer
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    Explanation:

    log105+log(5x+1)=log10(x+5)+1
    log10[5(5x+1)]=log10[10(x+5)]
    5(5x+1)=10(x+5)
    5x+1=2x+10
    3x=9
    x=3

    By: Munesh Kumari
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