Paragraph: Read the following passage and answer the questions.
Question: The value of $\left[\begin{array}{lll}3 & 2 & 0\end{array}\right]\left[\begin{array}{l}3 \\ 2 \\ 0\end{array}\right]$ is

• Correct answer
  A

  $[5]$
• B

  $\left[\frac{5}{2}\right]$
• C

  [4]
• D

  $\left[\frac{3}{2}\right]$

Hence, the correct answer is option: 'A'.