$\dfrac{\log \space 27}{\log \space 9} =$

1. $\dfrac{3}{2}$

2. $\dfrac{2}{3}$

3. 3

4. 2

If log_x 0.0016 = 4, then the value of x is:

1. 2

2. 0.2

3. 0.1

4. 4

$\log$2 \space \log{\sqrt{2}} \log_3 81 =

1. 1

2. 2

3. $\dfrac{1}{\sqrt{2}}$

4. $\dfrac{1}{2}$

If log₁₀ 2 = 0.3010 and log₁₀ 3 = 0.4771, then the value of log₁₀ 72 =

1. 1.8572

2. 0.8572

3. 0.5872

4. 1.5872