Which is different? Find "both" answers. Responses

A text reads, what is twenty percent of 30 question mark. Image with alt text: A text reads, what is twenty percent of 30 question mark.

A text reads, twenty percent of what number is 30 question mark. Image with alt text: A text reads, twenty percent of what number is 30 question mark.

A text reads, what is one-fifth of 30 question mark. Image with alt text: A text reads, what is one-fifth of 30 question mark.

A text reads, what is two-tenths of 30 question mark, Image with alt text: A text reads, what is two-tenths of 30 question mark, Question 2 what is the answer