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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