Multiple Choice Questions on If 4log93 9log24 10 logx83 then value of x is ........ for NDA Exam Preparation

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Multiple Choice Questions

If 4log93 9log24 10 logx83 then value of x is ........

Mathematics (NDA) Logarithm
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    If 4log93  +9log24   =10 logx83 ,then value of x is?

    30

    Incorrect Answer

    20

    Incorrect Answer

    10

    Correct Answer

    40

    Incorrect Answer
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    Explanation:

    4log93  +9log24   =10 logx83  

    41/2  +92   =10 logx83 

    2+81  =10 logx83 

    83 =10 logx83        (alogax  =x)

    X=10

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