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The value of $log_{343}$ 7 is :

A) $\frac{1}{3}$

B) -3

C) $-\frac{1}{3}$

D) 3

Find the value of $log_{\sqrt{2}}32$

A) $\frac{5}{4}$

B) 2

C) 10

D) $\frac{1}{20}$

If $log_{x}4$ $=0.4$, then the value of $x$ is :

A) 2

B) 16

C) 32

D) 4

The value of $log_{2\sqrt{3}}(1728)$ is :

A) 5

B) 3

C) 9

D) 6

The value of $\left(\frac{1}{3}log_{10}125-2log_{10}4+log_{10}32\right)$ is :

A) 1

B) 4

C) $\frac{4}{5}$

D) 2

If $log_{5}(x^{2}+x)$ $-log_{5}(x+1)$ $=2$, then the value of $x$ is :

A) 25

B) 10

C) 32

D) 5

$\frac{log\sqrt{8}}{log8}$ is equal to :

A) $\frac{1}{8}$

B) $\frac{1}{2}$

C) $\frac{1}{\sqrt{8}}$

D) $\frac{1}{4}$

$log\left(\frac{a^{2}}{bc}\right)$ $+log\left(\frac{b^{2}}{ac}\right)$ $+log\left(\frac{c^{2}}{ab}\right)$ is equal to

A) 0

B) 2

C) 4

D) 1

If $log_{10000}x$ $=-\frac{1}{4}$, then $x$ is equal to :

A) $\frac{1}{10000}$

B) $\frac{1}{1000}$

C) $\frac{1}{10}$

D) $\frac{1}{100}$

The characteristics of the logarithm 332.6 is

A) 3

B) 4

C) 2

D) 1

The value of $\log_{\frac{-1}{3}}{81}$ is

A) -27

B) -4

C) 4

D) 27

Evaluate the scientific notation of $4.987\times 10^4$ .

A) 4987

B) 49870

C) $4987\times 10^4$

D) 4.9870

What is the base when logarithm of 216 is 3?

A) 9

B) 36

C) 72

D) 6

If $\log_{2}{(a^{2}-1)}-\log_{2}{(a+1)}=3$, find the value of a.

A) 9

B) 8

C) 7

D) 6

The value of log 400 - log 5 – log 4 – log 2 is

A) 0

B) $\frac{1}{2}$

C) 1

D) 2

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