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1.

The value of $\frac{12\log_{10}{10}}{2\log_{10}{100}}$ =


A) 2

B) 3

C) 4

D) 5



2.

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


A) 0

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

C) 1

D) 2



3.

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


A) 9

B) 8

C) 7

D) 6



4.

What is the base when logarithm of 216 is 3?


A) 9

B) 36

C) 72

D) 6



5.

If log m + log n = log(m+n) then m is given by


A) $\frac{n+1}{2}$

B) $\frac{n+1}{n}$

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

D) None of these



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