What percentage of 7.2 kg is 18 g?

Correct option is D

Given:
Mass in kg = 7.2 kg
Mass in grams = 18 g
Formula Used:
Percentage (%) =$$\frac{\text{Part}}{\text{Whole}} \times 100$$

Solution:
Since 7.2 kg = 7200 g
​$$Percentage (\%) = \frac{18}{7200} \times 100$$​​
= 0.25%