log₉ 27 =

1. 3

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

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

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

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

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

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

3. 3

4. 2

If log₁₀ 2 = 0.3, then log₁₀ 8 =

1. 0.9

2. 0.6

3. 1.2

4. none of these

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

1. 1

2. 2

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

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