The given question requires us to identify the similarity between the items: Pen, Rubber, and Pencil. Let's analyze the options to determine the correct category they all belong to.
- They are goods for all purpose: While pens, rubbers (erasers), and pencils can be used for various purposes, this description is too broad and doesn't specifically relate the items to each other.
- They are stationery goods: This option correctly identifies that all three items—Pen, Rubber, and Pencil—are common stationery items. Stationery refers to materials used for writing, drawing, or office work, and these items are standard tools in such tasks.
- They are famous Indian sites: This option is incorrect because Pen, Rubber, and Pencil are not names of places in India.
- They are sports terms: This option is also incorrect because these terms are not associated with sports terminology.
After evaluating all the options, the most logical and precise category for Pen, Rubber, and Pencil is that they are stationery goods.
Thus, the correct answer is: They are stationery goods.