Concerning the legibility of text: / » Human Computer Interaction (HCI) solved MCQs / By admin Question: Concerning the legibility of text: A. . If lines are too long, the text is hard to read B. All upper case improves reading speed. C. A good font size for flowing text is 10 pt. D. All upper case improves reading speed. Answer» a. . If lines are too long, the text is hard to read Note: The above multiple-choice question is for all general and Competitive Exams in India.