1 minute 12 seconds is what percentage of 1 hour?

Correct option is D

= $$\begin{pmatrix} \frac {72}{3600}\\ \end{pmatrix}\times$$ 100

= $$\begin{pmatrix} \frac {72}{3600}\times100\\ \end{pmatrix}$$

= $$\frac {7200}{3600}$$

= 2%

Thus, correct option is (d).